| Rockwall to Horizon West (Florida) | 932.47 mi (1,500.66 km) |
| Rockwall to Hormigueros (Puerto Rico) | 2,082.71 mi (3,351.80 km) |
| Rockwall to Horn Lake (Mississippi) | 392.11 mi (631.04 km) |
| Rockwall to Hot Springs (Arkansas) | 222.94 mi (358.79 km) |
| Rockwall to Hot Springs Village (Arkansas) | 232.84 mi (374.72 km) |
| Rockwall to Houma (Louisiana) | 409.49 mi (659.01 km) |
| Rockwall to Houston (Texas) | 225.00 mi (362.10 km) |
| Rockwall to Howard (Wisconsin) | 921.05 mi (1,482.29 km) |
| Rockwall to Huber Heights (Ohio) | 835.38 mi (1,344.41 km) |
| Rockwall to Hudson (Florida) | 874.96 mi (1,408.12 km) |
| Rockwall to Hudson (Ohio) | 1,004.68 mi (1,616.88 km) |
| Rockwall to Hudson (Wisconsin) | 855.61 mi (1,376.97 km) |
| Rockwall to Hueytown (Alabama) | 545.47 mi (877.85 km) |
| Rockwall to Hugo (Minnesota) | 866.52 mi (1,394.52 km) |
| Rockwall to Humacao (Puerto Rico) | 2,152.57 mi (3,464.22 km) |
