| Seaham to Hazleton (Pennsylvania) | 3,411.58 mi (5,490.40 km) |
| Seaham to Healdsburg (California) | 5,115.30 mi (8,232.27 km) |
| Seaham to Heath (Ohio) | 3,700.61 mi (5,955.55 km) |
| Seaham to Heber (Utah) | 4,671.61 mi (7,518.24 km) |
| Seaham to Helena (Alabama) | 4,208.85 mi (6,773.49 km) |
| Seaham to Helena (Montana) | 4,351.79 mi (7,003.53 km) |
| Seaham to Hemet (California) | 5,231.74 mi (8,419.68 km) |
| Seaham to Henderson (Kentucky) | 4,000.72 mi (6,438.53 km) |
| Seaham to Henderson (Nevada) | 5,039.22 mi (8,109.84 km) |
| Seaham to Henderson (North Carolina) | 3,729.66 mi (6,002.31 km) |
| Seaham to Henderson (Texas) | 4,564.43 mi (7,345.74 km) |
| Seaham to Hendersonville (North Carolina) | 3,935.38 mi (6,333.39 km) |
| Seaham to Hendersonville (Tennessee) | 4,042.32 mi (6,505.48 km) |
| Seaham to Hercules (California) | 5,134.97 mi (8,263.93 km) |
| Seaham to Hereford (Texas) | 4,691.71 mi (7,550.58 km) |
