| City, 
                State County Country | Intersection (Lat, Lng) | Type Status | Control Type / Other Control Type | Approaches / Driveways / ICD (m) | Functional Class / LaneType | Year Completed | Comments | 
|---|---|---|---|---|---|---|---|
| Dover,
                England Kent United Kingdom | Western Heights Roundabout [A20 (Archcliffe Rd.) / South Military Rd.] (51.11449, 1.30328) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Pleasant Prairie,
                WI Kenosha Co. United States | Bain Station Rd. / 88th Ave. (CR H) (42.55125, -87.91362) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2017 | https://www.rasmith.com/projects/cthh-bain-station-roundabout/ | 
| Bristol, Village of,
                WI Kenosha Co. United States | Wilmot Rd. / 160th Ave. (42.53847, -88.00097) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 35.2004 | Other (At-Grade) Single-Lane | 2012 | Year Completed estimated (2010-2013). ICD estimated from Google Maps linework. | 
| Pleasant Prairie, Village of,
                WI Kenosha Co. United States | 88th Ave. / Wilmot Rd. (42.56033, -87.91425) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 36.0678 | Other (At-Grade) Single-Lane | 2014 | Year Completed estimated (2013-2015). ICD estimated from Google Maps linework. | 
| Pleasant Prairie, Village of,
                WI Kenosha Co. United States | Springbrook Rd. / 39th Ave. (42.52830, -87.85408) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.0863 | Other (At-Grade) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Somers,
                WI Kenosha Co. United States | CTH G (Wood Rd.-30th Ave.) / Parkside Blvd. (42.64751, -87.84920) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 36.0173 | Other (At-Grade) Single-Lane | 2009 | Opened September 8, 2009. ICD estimated from Google Maps linework. | 
| Pleasant Prairie,
                WI Kenosha Co. United States | STH 165 (104th St.) / CTH EZ (39th Ave.) (42.52248, -87.85383) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 47.5327 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Opened August 8, 2011. ICD estimated from Google Maps linework. | 
| Pleasant Prairie,
                WI Kenosha Co. United States | STH 165 (104th St.) / CTH ML (Springbrook Rd.) (42.52253, -87.86031) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 44.8919 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2011 | Opened October 7, 2011. Yield-controlled right-turn bypass lanes. ICD estimated from Google Maps linework. | 
| Somers,
                WI Kenosha Co. United States | CTH Y / CTH A (42.65320, -87.83596) | Roundabout Unknown | All-Way Yield None | 4 Approaches 0 Driveways 42.6717 | Other (At-Grade) Single-Lane | 2023 | https://www.kenoshacounty.org/CivicAlerts.aspx?AID=2888 | 
| Somers,
                WI Kenosha Co. United States | Brumback Blvd. / 35th St. (42.60655, -87.88130) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2009 | |
| Kenosha,
                WI Kenosha Co. United States | 144th Ave. / 72nd St. (42.56879, -87.98186) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2005 | https://wisdot.maps.arcgis.com/apps/webappviewer/index.html?id=106c80b1ec5f42a5a8808e6acad23067 | 
| Kenora,
                ON Kenora Canada | Hwy 17 (Lakeview Dr.-Main St.) / Bernier Dr. / Veterans Dr. (49.76952, -94.49034) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 37.0259 | Other (At-Grade) Single-Lane | 2008 | http://wilcosuperior.ca/project/big-spruce-project-stage-1 ICD estimated from Google Maps linework. | 
| Kenora,
                ON Kenora Canada | Park St. / 1st St. S / Fifth Ave. S (49.76642, -94.48513) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 42.0000 | Other (At-Grade) Single-Lane | 2019 | https://www.facebook.com/CityofKenora/posts/kenoras-second-roundabout-is-open-give-it-a-try-go-from-second-street-to-park-st/2308348529214570/ | 
| West Gardiner,
                ME Kennebec Co. United States | Rte 9-Rte 126 / I-95 NB Ramps / Service Plaza Dr. (44.20896, -69.82823) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 40.2365 | Freeway Ramps (Grade-Separated) Single-Lane | 2015 | ICD estimated from Google Maps linework. | 
| Augusta,
                ME Kennebec Co. United States | Rte 3 / I-95 NB Ramps (44.35353, -69.78083) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 46.1156 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2013 | ICD estimated from Google Maps linework. | 
| Augusta,
                ME Kennebec Co. United States | Rte 3 / I-95 SB Ramps / Old Belgrade Rd. (44.35796, -69.78470) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 46.1121 | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) | 2013 | ICD estimated from Google Maps linework. | 
| Augusta,
                ME Kennebec Co. United States | US 202 / Rte. 17 / Rte. 11 / Rte. 27 (44.31047, -69.77929) | Rotary Existing | Unknown Unknown | 5 Approaches 0 Driveways 71.7881 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Augusta,
                ME Kennebec Co. United States | Cony Circle (Rte. 9 / Rte. 100 / Rte. 17 / Rte. 105) (44.31622, -69.76796) | Roundabout Existing | Unknown Unknown | 5 Approaches 0 Driveways 55.5448 | Other (At-Grade) Multilane (2 Lane, unspecified) | 2009 | Converted from old traffic circle to roundabout. Previously controlled by circle ICD estimated from Google Maps linework. | 
| Waterville,
                ME Kennebec Co. United States | Washington St. / Campus Dr. / Rice Rips Rd. (44.56576, -69.66692) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 39.6240 | Other (At-Grade) Single-Lane | 2022 | |
| Waterville,
                ME Kennebec Co. United States | Mayflower Hill Dr. / Campus Dr. (44.56711, -69.65733) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 42.6717 | Other (At-Grade) Single-Lane | 2021 | Replaced triangle of intersections. Diameter estimated. Bicycle facilities. | 
| Mandonga,
                Southeast Sulawesi Kendari Indonesia | Jalan Malik Raya / Jalan Edi Sabara / Jalan Tapak Kuda (-3.97391, 122.52545) | Other Existing | Uncontrolled None | 4 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Yorkville,
                IL Kendall Co. United States | Fox Rd. / Eldamain Rd. / (unknown) (41.62718, -88.49774) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2023 | https://www.youtube.com/watch?v=69pkvRANbUs | 
| Oswego,
                IL Kendall Co. United States | Wolf Rd. / Harvey Rd. (41.69371, -88.27547) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 0.0000 | Other (At-Grade) Multilane (2 Lane, 2x2 max) | 2023 | https://patch.com/illinois/oswego/reopening-date-set-wolfs-crossing-road-new-roundabout | 
| Joliet,
                IL Kendall Co. United States | Wildsprings Pkwy. / Onyx Ln. (41.55281, -88.28244) | Traffic Calming Circle Existing | Uncontrolled None | 3 Approaches 0 Driveways 30.3882 | Other (At-Grade) Single-Lane | 2007 | ICD estimated from Google Maps linework. | 
| Joliet,
                IL Kendall Co. United States | Wildsprings Pkwy. / Waterbury Dr. (41.56095, -88.29127) | Traffic Calming Circle Existing | All-Way Stop None | 4 Approaches 0 Driveways 18.7668 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Plainfield,
                IL Kendall Co. United States | S Grande Park Blvd. / S Playa Vista Blvd. / Carmel Blvd. (41.63491, -88.26332) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2008 | Year Completed estimated (2007-2008). | 
| Soldotna,
                AK Kenai Peninsula United States | S Binkley St. / Wilson Ln. (60.48344, -151.07215) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 20.0061 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2014 | ICD estimated from Google Maps linework. | 
| Soldotna,
                AK Kenai Peninsula United States | N Binkley St. / W Redoubt Ave. (60.48781, -151.07231) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 20.0034 | Other (At-Grade) Single-lane w/ Traversable Central Island | 2014 | ICD estimated from Google Maps linework. | 
| West Kempsey,
                New South Wales Kempsey Australia | Belgrave St. / Elbow St. / Sea St. / Kemp St. (-31.07924, 152.83179) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| South West Rocks,
                New South Wales Kempsey Australia | Landsborough St. / Phillip Dr. / McIntyre St. (-30.88826, 153.04703) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| South West Rocks,
                New South Wales Kempsey Australia | Gregory St. / Belle O'Connor St. / Steve Eagleton Dr. (-30.90502, 153.04207) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Bellimbopinni,
                New South Wales Kempsey Australia | Macleay Valley Way / M1 (Pacific Hwy.) NB Ramps (-31.02934, 152.88258) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | ||
| Bellimbopinni,
                New South Wales Kempsey Australia | Macleay Valley Way / M1 (Pacific Hwy.) SB Ramps (-31.02860, 152.88432) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | ||
| Crescent Head,
                New South Wales Kempsey Australia | Pacific St. / Rankine St. / Reserve Rd. / East St. (-31.18949, 152.97741) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| South West Rocks,
                New South Wales Kempsey Australia | Landsborough St. / Memorial Ave. (-30.88676, 153.04144) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Kemi,
                Lappi Kemi Finland | Kiveliönkatu / Etelänväylä (65.73381, 24.59600) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Kemi,
                Lappi Kemi Finland | Etelänväylä / Karjalahdenkatu / Resiinakatu (65.73285, 24.58562) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Kemi,
                Lappi Kemi Finland | Valtakatu / Etelänväylä / Asemakatu (65.73224, 24.57683) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Kemi,
                Lappi Kemi Finland | Kiveliönkatu / Sauvonväylä / Jungonkatu (65.74560, 24.58898) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | Right-turn-only lanes on north and west legs. | |
| Kemi,
                Lappi Kemi Finland | Ouluntie / Kiveliönkatu / Kulmankyläntie (65.72985, 24.59969) | Roundabout Existing | All-Way Yield None | 4 Approaches 1 Driveways | Other (At-Grade) Single-Lane | ||
| Kemerovo,
                Kemerovo Kemerovo Russia | Sovetskiy prospekt / Karbolitovskaya ulitsa / ulitsa Shchetinkina (55.36158, 86.05883) | Other Existing | Unknown Unknown | 6 Approaches 0 Driveways | Other (At-Grade) Unknown | Trams through central island. | |
| Kemerovo,
                Kemerovo Kemerovo Russia | ulitsa Pravaya gavan' / ulitsa Rutgersa Ramps (55.37210, 86.08064) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, 2x1 max) | ||
| Kemerovo,
                Kemerovo Kemerovo Russia | Gruzovaya ulitsa / Trolleynaya ulitsa (55.34775, 86.00101) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Unknown | ||
| Kalniškiai,
                Siauliu Kelmė District Municipality Lithuania | SR 159 (Šiaulių gatvė - Kuršėnų gatvė) / SR 215 (Šiaulių gatvė) / Luokės gatvė (55.82935, 22.85769) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Keila,
                Harjumaa Keila linn Estonia | Rte 8-E265 (Uus-Paldiski maantee  - Paldiski maantee) / Karjaküla (59.31744, 24.41071) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Keila,
                Harjumaa Keila linn Estonia | Rte 8-E265 (Uus-Paldiski maantee) / Luha (59.31209, 24.43278) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | Turbo roundabout. | |
| Kecskemét,
                Bács-Kiskun Kecskeméti járás Hungary | SR 5 / Mercedes út (46.87298, 19.71559) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Kazincbarcika,
                Borsod-Abaúj-Zemplén Kazincbarcikai járás Hungary | Jószerencsét út / Mátyás király út / Iskola utca (48.25290, 20.62988) | Roundabout Existing | All-Way Yield None | 4 Approaches 1 Driveways | Other (At-Grade) Single-Lane | ||
| Kazincbarcika,
                Borsod-Abaúj-Zemplén Kazincbarcikai járás Hungary | Jószerencsét út / Egressy Béni út / Fő tér (48.25461, 20.62600) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Kazan,
                Tatarstan Kazan Russia | ulitsa Vosstaniya / Gor'kovskoye shosse / ulitsa Frunze (55.82488, 49.04263) | Roundabout Removed | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| Kazan,
                Tatarstan Kazan Russia | Dubravnaya ulitsa / (unknown) (55.73776, 49.19840) | Other Existing | Unknown Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Unknown | Parking in central island. | |
| Kazan,
                Tatarstan Kazan Russia | Chistopol'skaya ulitsa / ulitsa Sibgata Khakima (55.81878, 49.14935) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| Kazan,
                Tatarstan Kazan Russia | ulitsa Fatykha Amirkhana / ulitsa Petra Vitera (55.85197, 49.13055) | Other Existing | Other Unknown | 3 Approaches 2 Driveways | Other (At-Grade) Multilane (3+ Lane) | Circulating traffic yields to entering traffic. | |
| Kazan,
                Tatarstan Kazan Russia | R239 / ulitsa Orenburgskiy Trakt / ulitsa Akademika Parina (55.74373, 49.17619) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Multilane (3+ Lane) | ||
| Kazan,
                Tatarstan Kazan Russia | utilsa Orenburgskiy Trakt / prospekt Universiady Ramps (55.75224, 49.16403) | Unknown Existing | Unknown Unknown | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (3+ Lane) | ||
| Löddeköpinge,
                Skane County Kävlinge Sweden | Köpingevägen / Lagervägen / Pinhättevägen / E20 Ramps (55.76547, 12.98505) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 65.8469 | Freeway Ramps (Grade-Separated) Single-Lane | ICD estimated from Google Maps linework. | |
| Löddeköpinge,
                Skane County Kävlinge Sweden | Handelsvägen / Grossistvägen (55.77208, 12.98868) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 26.1999 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Löddeköpinge,
                Skane County Kävlinge Sweden | Lagervägen / Handelsvägen / Marknadsvägen (55.77101, 12.98956) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 47.0268 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Löddeköpinge,
                Skane County Kävlinge Sweden | Köpingevägen / Fäladsvägen (55.76602, 12.98996) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 36.2825 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Löddeköpinge,
                Skane County Kävlinge Sweden | Marknadsvägen / (parking lot) (55.76924, 12.99192) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 26.2019 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Löddeköpinge,
                Skane County Kävlinge Sweden | Marknadsvägen / Varuvägen (55.76836, 12.99263) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 23.5150 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Löddeköpinge,
                Skane County Kävlinge Sweden | Köpingevägen / Marknadsvägen (55.76629, 12.99295) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 39.6417 | Other (At-Grade) Multilane (2 Lane, unspecified) | ICD estimated from Google Maps linework. | |
| Kävlinge,
                Skane County Kävlinge Sweden | Rte 104 / Rte 108 / Storgatan (55.79952, 13.09617) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 69.1460 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Kävlinge,
                Skane County Kävlinge Sweden | Storgatan / Västergatan / Högsvägen (55.79115, 13.10298) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 19.4725 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Kävlinge,
                Skane County Kävlinge Sweden | Storgatan / Kvarngatan / Bintjevägen (55.78924, 13.10583) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 34.9179 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Kävlinge,
                Skane County Kävlinge Sweden | Rte 108 / Tostarpsvägen / Västra Långgatan (55.79787, 13.11714) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 44.3090 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Kävlinge,
                Skane County Kävlinge Sweden | Rte 108 / Harjagersvägen / Tostarpsvägen (55.79818, 13.12937) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 31.5531 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Löddeköpinge,
                Skane County Kävlinge Sweden | Saxtorpsvägen / E20 Ramps (55.82191, 12.93512) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 111.3751 | Freeway Ramps (Grade-Separated) Single-Lane | ICD estimated from Google Maps linework. | |
| Kaunas,
                Kauno Kaunas Lithuania | Taikos prospektas / Pramones prospektas (54.91695, 23.98481) | Rotary Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Kaunas,
                Kauno Kaunas Lithuania | Romo Kalantos gatvė / Tomo Masiulio gatvė / Marijos Gimbutienės gatvė (54.89198, 24.00340) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Forney,
                TX Kaufman Co. United States | Gateway Blvd. / Reeder Rd. (32.74783, -96.42763) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 67.0560 | Other (At-Grade) Multilane (2 Lane, unspecified) | ||
| Koloa,
                HI Kauai Co. United States | SR 530 (Koloa Rd.) / Ala Kalanikaumaka (21.90635, -159.47038) | Roundabout Existing | All-Way Yield None | 3 Approaches 1 Driveways 45.7200 | Other (At-Grade) Single-Lane | 2021 | A fourth leg is planned at the north side of this roundabout, but that probably won't be until at least 2030. | 
| Lihue,
                HI Kauai Co. United States | Hardy St. / Umi St. (21.97617, -159.36577) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2015 | Located at Wilcox Elementary School. | 
| Lihue,
                HI Kauai Co. United States | Nuhou St. / Kaneka St. (21.96696, -159.38690) | Roundabout Existing | All-Way Yield Rectangular Rapid Flashing Beacon (RRFB) | 4 Approaches 0 Driveways 37.7952 | Other (At-Grade) Single-Lane | 2015 | The fourth (north) approach is a private street, added in 2023. | 
| Eleele,
                HI Kauai Co. United States | Mahea Rd. / Iluna St. (21.90800, -159.57802) | Traffic Calming Circle Existing | All-Way Yield None | 4 Approaches 0 Driveways 20.4216 | Other (At-Grade) Single-Lane | 2017 | Large trucks may need to turn in front of the central island. | 
| Kapaa,
                HI Kauai Co. United States | Kawaihau Rd. / Mailihuna Rd. / Hauaala Rd. (22.09189, -159.31598) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways 30.4800 | Other (At-Grade) Single-Lane | 2023 | Peanut shaped. Connects what was previously two intersections. | 
| Kapaa,
                HI Kauai Co. United States | Kuhio Hwy. / Mailihuna Rd. (22.09310, -159.30750) | Roundabout Existing | All-Way Yield None | 3 Approaches 2 Driveways 37.7952 | Other (At-Grade) Single-Lane | 2021 | https://www.thegardenisland.com/2021/06/17/hawaii-news/kealia-roundabout-progress-continues/ | 
| Koloa,
                HI Kauai Co. United States | Lawa'i Rd. / Po'ipu Rd. / Ala Kalanikaumaka (21.88329, -159.46810) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 49.3776 | Other (At-Grade) Single-Lane | 2008 | |
| Lihue,
                HI Kauai Co. United States | Pikake St. / Kauila St. / Makaa St. (21.96538, -159.37974) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways 41.1480 | Other (At-Grade) Single-Lane | 2006 | |
| Kapaa,
                HI Kauai Co. United States | Kapaa Bypass / Olohena Rd. (22.07727, -159.32240) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways 32.0960 | Other (At-Grade) Single-Lane | 2005 | ICD estimated from Google Maps linework. | 
| Katrineholm,
                Sodermanland County Katrineholm Sweden | Värmbolsvägen / Stora Malmsvägen / Sjöhomlmsgatan) (58.99168, 16.16814) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 20.9193 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Katrineholm,
                Sodermanland County Katrineholm Sweden | Rte 52 / Odlarevägen (58.99869, 16.16355) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 33.8331 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Katrineholm,
                Sodermanland County Katrineholm Sweden | Rte 52 / Rte 55-Rte 56 (58.97167, 16.26104) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 38.7847 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Katrineholm,
                Sodermanland County Katrineholm Sweden | Sveavägen / Lenagatan / Stensjögatan (58.98837, 16.22754) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 19.6906 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Katrineholm,
                Sodermanland County Katrineholm Sweden | Rte 57 (Eriksbergsvägen) / Norrköpingsvägen (58.98760, 16.21206) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 29.5366 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Katrineholm,
                Sodermanland County Katrineholm Sweden | Floragatan / Linnévägen / Sveavägen (58.99058, 16.22109) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 24.6117 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Katrineholm,
                Sodermanland County Katrineholm Sweden | Norrköpingsvägen / Oppundavägen (58.98671, 16.20956) | Roundabout Existing | All-Way Yield Unknown | 3 Approaches 0 Driveways 21.5377 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Katrineholm,
                Sodermanland County Katrineholm Sweden | Rte 57 / Linnévägen (58.99102, 16.21031) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 23.3808 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Katrineholm,
                Sodermanland County Katrineholm Sweden | Vastgötagatan / Stora Malmsvägen / Prins Bertils gata (58.98433, 16.19294) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 27.0778 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Katrineholm,
                Sodermanland County Katrineholm Sweden | Rte 52 / Västra Fredsgatan (58.99638, 16.18872) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 30.7595 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Katrineholm,
                Sodermanland County Katrineholm Sweden | Stora Malmsvägen / Kerstinbodagatan (58.98505, 16.18309) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways 27.6926 | Other (At-Grade) Single-Lane | ICD estimated from Google Maps linework. | |
| Katowice,
                Śląskie Katowice Poland | rondo Pawlika [Leopolda / Generała Henryka le Ronda  / Budowlana / Wiertnicza / Siemianowicka] (50.27403, 19.05202) | Roundabout Existing | All-Way Yield None | 5 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Katherine,
                Northern Territory Katherine Australia | Giles St. / Second St. (-14.46347, 132.26549) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Katherine,
                Northern Territory Katherine Australia | Giles St. / First St. (-14.46458, 132.26459) | Roundabout Existing | All-Way Yield None | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Katherine,
                Northern Territory Katherine Australia | First St. / Lindsay St. (-14.46580, 132.26618) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Katherine,
                Northern Territory Katherine Australia | First St. / Warburton St. (-14.46331, 132.26301) | Roundabout Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Katanning,
                Western Australia Katanning Australia | SR 120 (Northam Cranbrook) / Clive St. (-33.69673, 117.54761) | Roundabout Existing | All-Way Yield None | 3 Approaches 0 Driveways | Other (At-Grade) Single-Lane | ||
| Bohumín,
                Moravian-Silesia Karviná Czechia | Rte 647 / D1 Ramps (49.87792, 18.30571) | Roundabout Existing | All-Way Yield Unknown | 5 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Single-Lane | ||
| Bohumín,
                Moravian-Silesia Karviná Czechia | Rte 67 / Rte 647 / D1 Ramps (49.91048, 18.33499) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Unknown Multilane (2 Lane, unspecified) | ||
| Bohumín,
                Moravian-Silesia Karviná Czechia | Rte 67 / Rte 471 / D1 Ramps (49.91565, 18.36084) | Rotary Existing | All-Way Yield Unknown | 4 Approaches 0 Driveways | Freeway Ramps (Grade-Separated) Multilane (2 Lane, unspecified) |