| Seaham to Dabrowa Gornicza | 912.59 mi (1,468.68 km) |
| Seaham to Dabrowa Tarnowska | 987.80 mi (1,589.71 km) |
| Seaham to Darlowo | 708.58 mi (1,140.35 km) |
| Seaham to Debica | 1,008.55 mi (1,623.10 km) |
| Seaham to Deblin | 981.55 mi (1,579.65 km) |
| Seaham to Debno | 669.14 mi (1,076.87 km) |
| Seaham to Dobre Miasto | 872.39 mi (1,403.98 km) |
| Seaham to Drawsko Pomorskie | 697.03 mi (1,121.77 km) |
| Seaham to Drezdenko | 711.86 mi (1,145.63 km) |
| Seaham to Dzialdowo | 876.82 mi (1,411.11 km) |
| Seaham to Dzierzoniow | 800.95 mi (1,289.00 km) |
| Seaham to Elblag | 830.33 mi (1,336.28 km) |
| Seaham to Elk | 952.93 mi (1,533.60 km) |
| Seaham to Garwolin | 963.93 mi (1,551.30 km) |
| Seaham to Gdansk | 798.03 mi (1,284.30 km) |
