| Maryland Heights to Kalispell (Montana) | 1,356.18 mi (2,182.56 km) |
| Maryland Heights to Kaneohe (Hawaii) | 4,106.93 mi (6,609.47 km) |
| Maryland Heights to Kankakee (Illinois) | 215.04 mi (346.08 km) |
| Maryland Heights to Kannapolis (North Carolina) | 586.03 mi (943.12 km) |
| Maryland Heights to Kansas City (Kansas) | 231.18 mi (372.04 km) |
| Maryland Heights to Kansas City (Missouri) | 221.04 mi (355.72 km) |
| Maryland Heights to Kapaa (Hawaii) | 4,164.93 mi (6,702.81 km) |
| Maryland Heights to Kapolei (Hawaii) | 4,124.36 mi (6,637.51 km) |
| Maryland Heights to Katy (Texas) | 688.33 mi (1,107.75 km) |
| Maryland Heights to Kaukauna (Wisconsin) | 400.68 mi (644.84 km) |
| Maryland Heights to Kaysville (Utah) | 1,146.67 mi (1,845.39 km) |
| Maryland Heights to Kearney (Missouri) | 213.06 mi (342.89 km) |
| Maryland Heights to Kearney (Nebraska) | 477.38 mi (768.27 km) |
| Maryland Heights to Kearns (Utah) | 1,149.88 mi (1,850.55 km) |
| Maryland Heights to Kearny (New Jersey) | 878.93 mi (1,414.49 km) |
