| Rockwall to Hamtramck (Michigan) | 979.98 mi (1,577.13 km) |
| Rockwall to Hanahan (South Carolina) | 952.19 mi (1,532.40 km) |
| Rockwall to Hanford (California) | 1,337.60 mi (2,152.66 km) |
| Rockwall to Hannibal (Missouri) | 546.69 mi (879.81 km) |
| Rockwall to Hanover (Pennsylvania) | 1,179.32 mi (1,897.93 km) |
| Rockwall to Hanover Park (Illinois) | 773.22 mi (1,244.38 km) |
| Rockwall to Happy Valley (Oregon) | 1,631.33 mi (2,625.36 km) |
| Rockwall to Harker Heights (Texas) | 146.68 mi (236.05 km) |
| Rockwall to Harlingen (Texas) | 470.79 mi (757.67 km) |
| Rockwall to Harper Woods (Michigan) | 986.94 mi (1,588.32 km) |
| Rockwall to Harrisburg (North Carolina) | 917.18 mi (1,476.06 km) |
| Rockwall to Harrisburg (Pennsylvania) | 1,194.39 mi (1,922.19 km) |
| Rockwall to Harrison (Arkansas) | 297.37 mi (478.57 km) |
| Rockwall to Harrison (New Jersey) | 1,340.87 mi (2,157.92 km) |
| Rockwall to Harrison (New York) | 1,368.15 mi (2,201.83 km) |
