| Maryland Heights to Kingsville (Texas) | 883.83 mi (1,422.39 km) |
| Maryland Heights to Kinston (North Carolina) | 748.80 mi (1,205.07 km) |
| Maryland Heights to Kirkland (Washington) | 1,699.51 mi (2,735.09 km) |
| Maryland Heights to Kirksville (Missouri) | 151.67 mi (244.09 km) |
| Maryland Heights to Kirkwood (Missouri) | 10.12 mi (16.28 km) |
| Maryland Heights to Kiryas Joel (New York) | 880.19 mi (1,416.53 km) |
| Maryland Heights to Kissimmee (Florida) | 887.80 mi (1,428.78 km) |
| Maryland Heights to Klamath Falls (Oregon) | 1,653.46 mi (2,660.99 km) |
| Maryland Heights to Knightdale (North Carolina) | 688.50 mi (1,108.03 km) |
| Maryland Heights to Knik-Fairview (Alaska) | 2,916.95 mi (4,694.38 km) |
| Maryland Heights to Knoxville (Tennessee) | 405.52 mi (652.63 km) |
| Maryland Heights to Kokomo (Indiana) | 260.94 mi (419.94 km) |
| Maryland Heights to Kuna (Idaho) | 1,382.92 mi (2,225.60 km) |
| Maryland Heights to Kyle (Texas) | 735.68 mi (1,183.96 km) |
| Maryland Heights to La Cañada Flintridge (California) | 1,565.48 mi (2,519.40 km) |
