| Seaham to Dixon (Illinois) | 3,868.63 mi (6,225.96 km) |
| Seaham to Dobbs Ferry (New York) | 3,328.11 mi (5,356.07 km) |
| Seaham to Doctor Phillips (Florida) | 4,254.25 mi (6,846.56 km) |
| Seaham to Dodge City (Kansas) | 4,450.20 mi (7,161.91 km) |
| Seaham to Dolton (Illinois) | 3,811.67 mi (6,134.29 km) |
| Seaham to Donna (Texas) | 5,012.95 mi (8,067.57 km) |
| Seaham to Dorado (Puerto Rico) | 4,189.48 mi (6,742.32 km) |
| Seaham to Doral (Florida) | 4,349.35 mi (6,999.60 km) |
| Seaham to Doraville (Georgia) | 4,077.21 mi (6,561.64 km) |
| Seaham to Dothan (Alabama) | 4,259.77 mi (6,855.44 km) |
| Seaham to Douglas (Arizona) | 5,128.35 mi (8,253.29 km) |
| Seaham to Douglas (Georgia) | 4,147.00 mi (6,673.95 km) |
| Seaham to Douglasville (Georgia) | 4,102.52 mi (6,602.36 km) |
| Seaham to Dover (Delaware) | 3,479.31 mi (5,599.41 km) |
| Seaham to Dover (New Hampshire) | 3,113.91 mi (5,011.35 km) |
