| Maryland Heights to Harrison (Ohio) | 307.69 mi (495.18 km) |
| Maryland Heights to Harrison (Wisconsin) | 394.71 mi (635.23 km) |
| Maryland Heights to Harrisonburg (Virginia) | 626.53 mi (1,008.31 km) |
| Maryland Heights to Hartford (Connecticut) | 959.77 mi (1,544.60 km) |
| Maryland Heights to Hartford (Wisconsin) | 336.28 mi (541.20 km) |
| Maryland Heights to Hartselle (Alabama) | 354.78 mi (570.96 km) |
| Maryland Heights to Hartsville (Tennessee) | 285.93 mi (460.16 km) |
| Maryland Heights to Harvey (Illinois) | 249.07 mi (400.84 km) |
| Maryland Heights to Harvey (Louisiana) | 610.63 mi (982.71 km) |
| Maryland Heights to Hasbrouck Heights (New Jersey) | 881.87 mi (1,419.23 km) |
| Maryland Heights to Haslett (Michigan) | 422.59 mi (680.09 km) |
| Maryland Heights to Hastings (Minnesota) | 433.13 mi (697.05 km) |
| Maryland Heights to Hastings (Nebraska) | 440.37 mi (708.70 km) |
| Maryland Heights to Hattiesburg (Mississippi) | 516.25 mi (830.82 km) |
| Maryland Heights to Hauppauge (New York) | 926.70 mi (1,491.38 km) |
