| Maryland Heights to Hazelwood (Missouri) | 6.87 mi (11.06 km) |
| Maryland Heights to Hazleton (Pennsylvania) | 783.77 mi (1,261.35 km) |
| Maryland Heights to Healdsburg (California) | 1,738.04 mi (2,797.11 km) |
| Maryland Heights to Heath (Ohio) | 438.30 mi (705.38 km) |
| Maryland Heights to Heber (Utah) | 1,117.89 mi (1,799.07 km) |
| Maryland Heights to Helena (Alabama) | 425.84 mi (685.33 km) |
| Maryland Heights to Helena (Montana) | 1,217.19 mi (1,958.87 km) |
| Maryland Heights to Hemet (California) | 1,512.10 mi (2,433.49 km) |
| Maryland Heights to Henderson (Kentucky) | 168.36 mi (270.94 km) |
| Maryland Heights to Henderson (Nevada) | 1,357.59 mi (2,184.83 km) |
| Maryland Heights to Henderson (North Carolina) | 680.67 mi (1,095.43 km) |
| Maryland Heights to Henderson (Texas) | 514.31 mi (827.70 km) |
| Maryland Heights to Hendersonville (North Carolina) | 500.34 mi (805.21 km) |
| Maryland Heights to Hendersonville (Tennessee) | 269.94 mi (434.43 km) |
| Maryland Heights to Hercules (California) | 1,713.81 mi (2,758.12 km) |
