| Southlake to Kalispell (Montana) | 1,380.64 mi (2,221.92 km) |
| Southlake to Kaneohe (Hawaii) | 3,761.39 mi (6,053.38 km) |
| Southlake to Kankakee (Illinois) | 760.17 mi (1,223.37 km) |
| Southlake to Kannapolis (North Carolina) | 958.03 mi (1,541.81 km) |
| Southlake to Kansas City (Kansas) | 446.88 mi (719.18 km) |
| Southlake to Kansas City (Missouri) | 450.20 mi (724.53 km) |
| Southlake to Kapaa (Hawaii) | 3,831.00 mi (6,165.40 km) |
| Southlake to Kapolei (Hawaii) | 3,779.44 mi (6,082.42 km) |
| Southlake to Katy (Texas) | 231.96 mi (373.30 km) |
| Southlake to Kaukauna (Wisconsin) | 916.41 mi (1,474.82 km) |
| Southlake to Kaysville (Utah) | 986.70 mi (1,587.95 km) |
| Southlake to Kearney (Missouri) | 468.76 mi (754.39 km) |
| Southlake to Kearney (Nebraska) | 545.77 mi (878.33 km) |
| Southlake to Kearns (Utah) | 977.00 mi (1,572.33 km) |
| Southlake to Kearny (New Jersey) | 1,377.25 mi (2,216.48 km) |
