| Maryland Heights to Horizon West (Florida) | 873.25 mi (1,405.36 km) |
| Maryland Heights to Hormigueros (Puerto Rico) | 1,996.80 mi (3,213.55 km) |
| Maryland Heights to Horn Lake (Mississippi) | 261.38 mi (420.65 km) |
| Maryland Heights to Hot Springs (Arkansas) | 325.24 mi (523.43 km) |
| Maryland Heights to Hot Springs Village (Arkansas) | 312.70 mi (503.24 km) |
| Maryland Heights to Houma (Louisiana) | 631.57 mi (1,016.42 km) |
| Maryland Heights to Houston (Texas) | 677.71 mi (1,090.67 km) |
| Maryland Heights to Howard (Wisconsin) | 422.53 mi (680.00 km) |
| Maryland Heights to Huber Heights (Ohio) | 349.13 mi (561.87 km) |
| Maryland Heights to Hudson (Florida) | 843.79 mi (1,357.95 km) |
| Maryland Heights to Hudson (Ohio) | 508.73 mi (818.72 km) |
| Maryland Heights to Hudson (Wisconsin) | 446.79 mi (719.04 km) |
| Maryland Heights to Hueytown (Alabama) | 413.47 mi (665.42 km) |
| Maryland Heights to Hugo (Minnesota) | 463.39 mi (745.75 km) |
| Maryland Heights to Humacao (Puerto Rico) | 2,051.71 mi (3,301.91 km) |
