| Seaham to Harrison (Wisconsin) | 3,711.17 mi (5,972.55 km) |
| Seaham to Harrisonburg (Virginia) | 3,643.18 mi (5,863.12 km) |
| Seaham to Hartford (Connecticut) | 3,247.58 mi (5,226.48 km) |
| Seaham to Hartford (Wisconsin) | 3,756.52 mi (6,045.53 km) |
| Seaham to Hartselle (Alabama) | 4,151.14 mi (6,680.62 km) |
| Seaham to Hartsville (Tennessee) | 4,021.33 mi (6,471.70 km) |
| Seaham to Harvey (Illinois) | 3,814.65 mi (6,139.09 km) |
| Seaham to Harvey (Louisiana) | 4,509.12 mi (7,256.73 km) |
| Seaham to Hasbrouck Heights (New Jersey) | 3,343.02 mi (5,380.06 km) |
| Seaham to Haslett (Michigan) | 3,640.88 mi (5,859.43 km) |
| Seaham to Hastings (Minnesota) | 3,843.48 mi (6,185.48 km) |
| Seaham to Hastings (Nebraska) | 4,243.96 mi (6,830.00 km) |
| Seaham to Hattiesburg (Mississippi) | 4,405.13 mi (7,089.38 km) |
| Seaham to Hauppauge (New York) | 3,311.69 mi (5,329.65 km) |
| Seaham to Havelock (North Carolina) | 3,741.62 mi (6,021.55 km) |
