| Rockwall to Hillcrest Heights (Maryland) | 1,161.55 mi (1,869.34 km) |
| Rockwall to Hilliard (Ohio) | 885.17 mi (1,424.54 km) |
| Rockwall to Hillsboro (Oregon) | 1,652.89 mi (2,660.07 km) |
| Rockwall to Hillsborough (California) | 1,492.46 mi (2,401.88 km) |
| Rockwall to Hillsborough (New Jersey) | 1,311.11 mi (2,110.03 km) |
| Rockwall to Hilo (Hawaii) | 3,699.05 mi (5,953.05 km) |
| Rockwall to Hilton Head Island (South Carolina) | 914.15 mi (1,471.18 km) |
| Rockwall to Hinesville (Georgia) | 867.62 mi (1,396.30 km) |
| Rockwall to Hinsdale (Illinois) | 770.61 mi (1,240.18 km) |
| Rockwall to Hobart (Indiana) | 778.21 mi (1,252.41 km) |
| Rockwall to Hobbs (New Mexico) | 390.48 mi (628.42 km) |
| Rockwall to Hobe Sound (Florida) | 1,053.83 mi (1,695.98 km) |
| Rockwall to Hoboken (New Jersey) | 1,347.18 mi (2,168.08 km) |
| Rockwall to Hockessin (Delaware) | 1,244.92 mi (2,003.51 km) |
| Rockwall to Hoffman Estates (Illinois) | 777.60 mi (1,251.42 km) |
