| Rockwall to Harrison (Ohio) | 783.28 mi (1,260.56 km) |
| Rockwall to Harrison (Wisconsin) | 893.70 mi (1,438.27 km) |
| Rockwall to Harrisonburg (Virginia) | 1,054.84 mi (1,697.61 km) |
| Rockwall to Hartford (Connecticut) | 1,434.60 mi (2,308.77 km) |
| Rockwall to Hartford (Wisconsin) | 840.93 mi (1,353.34 km) |
| Rockwall to Hartselle (Alabama) | 555.91 mi (894.64 km) |
| Rockwall to Hartsville (Tennessee) | 631.28 mi (1,015.95 km) |
| Rockwall to Harvey (Illinois) | 769.78 mi (1,238.84 km) |
| Rockwall to Harvey (Louisiana) | 429.95 mi (691.93 km) |
| Rockwall to Hasbrouck Heights (New Jersey) | 1,347.19 mi (2,168.09 km) |
| Rockwall to Haslett (Michigan) | 943.17 mi (1,517.89 km) |
| Rockwall to Hastings (Minnesota) | 838.58 mi (1,349.56 km) |
| Rockwall to Hastings (Nebraska) | 541.44 mi (871.36 km) |
| Rockwall to Hattiesburg (Mississippi) | 431.19 mi (693.93 km) |
| Rockwall to Hauppauge (New York) | 1,389.71 mi (2,236.52 km) |
