| Tomball to Kingsville (Texas) | 224.34 mi (361.05 km) |
| Tomball to Kinston (North Carolina) | 1,105.68 mi (1,779.42 km) |
| Tomball to Kirkland (Washington) | 1,860.28 mi (2,993.83 km) |
| Tomball to Kirksville (Missouri) | 718.82 mi (1,156.83 km) |
| Tomball to Kirkwood (Missouri) | 656.64 mi (1,056.75 km) |
| Tomball to Kiryas Joel (New York) | 1,426.29 mi (2,295.38 km) |
| Tomball to Kissimmee (Florida) | 864.91 mi (1,391.93 km) |
| Tomball to Klamath Falls (Oregon) | 1,672.44 mi (2,691.54 km) |
| Tomball to Knightdale (North Carolina) | 1,066.12 mi (1,715.75 km) |
| Tomball to Knik-Fairview (Alaska) | 3,240.52 mi (5,215.11 km) |
| Tomball to Knoxville (Tennessee) | 787.58 mi (1,267.50 km) |
| Tomball to Kokomo (Indiana) | 893.14 mi (1,437.37 km) |
| Tomball to Kuna (Idaho) | 1,468.37 mi (2,363.11 km) |
| Tomball to Kyle (Texas) | 135.70 mi (218.38 km) |
| Tomball to La Cañada Flintridge (California) | 1,348.15 mi (2,169.64 km) |
