| Seaham to Dumas (Texas) | 4,619.94 mi (7,435.07 km) |
| Seaham to Dumont (New Jersey) | 3,335.97 mi (5,368.73 km) |
| Seaham to Duncan (Oklahoma) | 4,549.58 mi (7,321.85 km) |
| Seaham to Duncanville (Texas) | 4,615.46 mi (7,427.86 km) |
| Seaham to Dundalk (Maryland) | 3,511.53 mi (5,651.27 km) |
| Seaham to Dunedin (Florida) | 4,326.88 mi (6,963.43 km) |
| Seaham to Dunkirk (New York) | 3,466.61 mi (5,578.97 km) |
| Seaham to Dunmore (Pennsylvania) | 3,375.82 mi (5,432.86 km) |
| Seaham to Dunwoody (Georgia) | 4,077.01 mi (6,561.31 km) |
| Seaham to Durango (Colorado) | 4,741.05 mi (7,629.98 km) |
| Seaham to Durant (Oklahoma) | 4,524.01 mi (7,280.70 km) |
| Seaham to Durham (North Carolina) | 3,765.75 mi (6,060.38 km) |
| Seaham to Dyer (Indiana) | 3,814.90 mi (6,139.49 km) |
| Seaham to Dyersburg (Tennessee) | 4,159.20 mi (6,693.58 km) |
| Seaham to Eagan (Minnesota) | 3,849.85 mi (6,195.74 km) |
