| Seaham to Hanahan (South Carolina) | 3,962.76 mi (6,377.45 km) |
| Seaham to Hanford (California) | 5,159.69 mi (8,303.71 km) |
| Seaham to Hannibal (Missouri) | 4,044.67 mi (6,509.27 km) |
| Seaham to Hanover (Pennsylvania) | 3,504.31 mi (5,639.64 km) |
| Seaham to Hanover Park (Illinois) | 3,813.95 mi (6,137.96 km) |
| Seaham to Happy Valley (Oregon) | 4,703.76 mi (7,569.97 km) |
| Seaham to Harker Heights (Texas) | 4,728.24 mi (7,609.36 km) |
| Seaham to Harlingen (Texas) | 4,997.15 mi (8,042.13 km) |
| Seaham to Harper Woods (Michigan) | 3,601.96 mi (5,796.80 km) |
| Seaham to Harrisburg (North Carolina) | 3,866.57 mi (6,222.64 km) |
| Seaham to Harrisburg (Pennsylvania) | 3,478.38 mi (5,597.91 km) |
| Seaham to Harrison (Arkansas) | 4,286.22 mi (6,898.01 km) |
| Seaham to Harrison (New Jersey) | 3,351.61 mi (5,393.90 km) |
| Seaham to Harrison (New York) | 3,321.81 mi (5,345.94 km) |
| Seaham to Harrison (Ohio) | 3,825.83 mi (6,157.08 km) |
