| Rockwall to Hagerstown (Maryland) | 1,138.35 mi (1,831.99 km) |
| Rockwall to Haines City (Florida) | 941.60 mi (1,515.36 km) |
| Rockwall to Halawa (Hawaii) | 3,811.16 mi (6,133.46 km) |
| Rockwall to Half Moon Bay (California) | 1,496.33 mi (2,408.11 km) |
| Rockwall to Halfway (Maryland) | 1,135.37 mi (1,827.21 km) |
| Rockwall to Hallandale Beach (Florida) | 1,089.34 mi (1,753.12 km) |
| Rockwall to Haltom City (Texas) | 48.84 mi (78.61 km) |
| Rockwall to Ham Lake (Minnesota) | 869.70 mi (1,399.65 km) |
| Rockwall to Hamilton (Ohio) | 798.23 mi (1,284.62 km) |
| Rockwall to Hamilton Square (New Jersey) | 1,305.64 mi (2,101.22 km) |
| Rockwall to Hammond (Indiana) | 775.80 mi (1,248.53 km) |
| Rockwall to Hammond (Louisiana) | 388.93 mi (625.93 km) |
| Rockwall to Hammonton (New Jersey) | 1,289.52 mi (2,075.28 km) |
| Rockwall to Hampton (Virginia) | 1,169.32 mi (1,881.84 km) |
| Rockwall to Hampton Bays (New York) | 1,425.29 mi (2,293.79 km) |
