| Seaford to Hilliard (Ohio) | 3,888.61 mi (6,258.12 km) |
| Seaford to Hillsboro (Oregon) | 4,965.59 mi (7,991.35 km) |
| Seaford to Hillsborough (California) | 5,408.77 mi (8,704.57 km) |
| Seaford to Hillsborough (New Jersey) | 3,522.31 mi (5,668.61 km) |
| Seaford to Hilo (Hawaii) | 7,339.88 mi (11,812.40 km) |
| Seaford to Hilton Head Island (South Carolina) | 4,155.80 mi (6,688.12 km) |
| Seaford to Hinesville (Georgia) | 4,209.68 mi (6,774.83 km) |
| Seaford to Hinsdale (Illinois) | 3,995.16 mi (6,429.59 km) |
| Seaford to Hobart (Indiana) | 3,983.08 mi (6,410.14 km) |
| Seaford to Hobbs (New Mexico) | 5,025.61 mi (8,087.94 km) |
| Seaford to Hobe Sound (Florida) | 4,379.52 mi (7,048.15 km) |
| Seaford to Hoboken (New Jersey) | 3,486.39 mi (5,610.81 km) |
| Seaford to Hockessin (Delaware) | 3,595.97 mi (5,787.15 km) |
| Seaford to Hoffman Estates (Illinois) | 3,991.49 mi (6,423.69 km) |
| Seaford to Holbrook (New York) | 3,444.69 mi (5,543.69 km) |
