| Seaham to Hicksville (New York) | 3,326.46 mi (5,353.42 km) |
| Seaham to Hidalgo (Texas) | 5,022.12 mi (8,082.33 km) |
| Seaham to High Point (North Carolina) | 3,807.24 mi (6,127.15 km) |
| Seaham to Highland (California) | 5,214.89 mi (8,392.56 km) |
| Seaham to Highland (Illinois) | 4,031.11 mi (6,487.44 km) |
| Seaham to Highland (Indiana) | 3,810.59 mi (6,132.55 km) |
| Seaham to Highland (Utah) | 4,688.25 mi (7,545.02 km) |
| Seaham to Highland City (Florida) | 4,295.01 mi (6,912.14 km) |
| Seaham to Highland Park (Illinois) | 3,792.05 mi (6,102.72 km) |
| Seaham to Highland Park (New Jersey) | 3,373.59 mi (5,429.27 km) |
| Seaham to Highland Springs (Virginia) | 3,627.14 mi (5,837.32 km) |
| Seaham to Highland Village (Texas) | 4,596.89 mi (7,397.98 km) |
| Seaham to Highlands Ranch (Colorado) | 4,520.66 mi (7,275.30 km) |
| Seaham to Hillcrest (California) | 5,194.82 mi (8,360.26 km) |
| Seaham to Hillcrest Heights (Maryland) | 3,550.47 mi (5,713.94 km) |
