| Seaham to Dover (New Jersey) | 3,360.54 mi (5,408.26 km) |
| Seaham to Dover (Ohio) | 3,640.01 mi (5,858.04 km) |
| Seaham to Downers Grove (Illinois) | 3,818.59 mi (6,145.42 km) |
| Seaham to Downey (California) | 5,254.50 mi (8,456.30 km) |
| Seaham to Dranesville (Virginia) | 3,558.37 mi (5,726.65 km) |
| Seaham to Draper (Utah) | 4,686.41 mi (7,542.05 km) |
| Seaham to Drexel Heights (Arizona) | 5,133.78 mi (8,262.02 km) |
| Seaham to Drexel Hill (Pennsylvania) | 3,433.32 mi (5,525.40 km) |
| Seaham to Duarte (California) | 5,235.94 mi (8,426.44 km) |
| Seaham to Dublin (California) | 5,142.08 mi (8,275.37 km) |
| Seaham to Dublin (Georgia) | 4,096.41 mi (6,592.53 km) |
| Seaham to Dublin (Ohio) | 3,722.65 mi (5,991.02 km) |
| Seaham to Dubuque (Iowa) | 3,879.59 mi (6,243.60 km) |
| Seaham to Duluth (Georgia) | 4,067.51 mi (6,546.02 km) |
| Seaham to Duluth (Minnesota) | 3,719.08 mi (5,985.28 km) |
