| Rockwall to Hereford (Texas) | 366.46 mi (589.76 km) |
| Rockwall to Hermiston (Oregon) | 1,502.80 mi (2,418.52 km) |
| Rockwall to Hermitage (Pennsylvania) | 1,049.76 mi (1,689.43 km) |
| Rockwall to Hermosa Beach (California) | 1,266.06 mi (2,037.52 km) |
| Rockwall to Hernando (Mississippi) | 392.99 mi (632.46 km) |
| Rockwall to Herndon (Virginia) | 1,142.00 mi (1,837.88 km) |
| Rockwall to Herriman (Utah) | 1,007.01 mi (1,620.62 km) |
| Rockwall to Herrin (Illinois) | 536.29 mi (863.08 km) |
| Rockwall to Hershey (Pennsylvania) | 1,206.41 mi (1,941.53 km) |
| Rockwall to Hesperia (California) | 1,202.90 mi (1,935.88 km) |
| Rockwall to Hewitt (Texas) | 110.51 mi (177.85 km) |
| Rockwall to Hialeah (Florida) | 1,084.65 mi (1,745.57 km) |
| Rockwall to Hialeah Gardens (Florida) | 1,081.20 mi (1,740.02 km) |
| Rockwall to Hibbing (Minnesota) | 1,017.09 mi (1,636.84 km) |
| Rockwall to Hickory (North Carolina) | 883.25 mi (1,421.46 km) |
