| Seaham to Portage (Michigan) | 3,710.87 mi (5,972.07 km) |
| Seaham to Portage (Wisconsin) | 3,783.96 mi (6,089.69 km) |
| Seaham to Portales (New Mexico) | 4,760.30 mi (7,660.96 km) |
| Seaham to Porterville (California) | 5,156.87 mi (8,299.19 km) |
| Seaham to Portland (Maine) | 3,068.64 mi (4,938.49 km) |
| Seaham to Portland (Oregon) | 4,701.48 mi (7,566.29 km) |
| Seaham to Portland (Tennessee) | 4,024.89 mi (6,477.43 km) |
| Seaham to Portland (Texas) | 4,889.62 mi (7,869.08 km) |
| Seaham to Portsmouth (New Hampshire) | 3,115.84 mi (5,014.46 km) |
| Seaham to Portsmouth (Ohio) | 3,781.95 mi (6,086.46 km) |
| Seaham to Portsmouth (Virginia) | 3,624.08 mi (5,832.39 km) |
| Seaham to Post Falls (Idaho) | 4,425.78 mi (7,122.61 km) |
| Seaham to Potomac (Maryland) | 3,550.76 mi (5,714.40 km) |
| Seaham to Potomac Park (California) | 5,195.94 mi (8,362.06 km) |
| Seaham to Pottstown (Pennsylvania) | 3,432.10 mi (5,523.43 km) |
