| Seaham to Cesky Tesin | 910.19 mi (1,464.81 km) |
| Seaham to Cheb | 662.72 mi (1,066.55 km) |
| Seaham to Chocen | 809.18 mi (1,302.25 km) |
| Seaham to Chodov | 670.05 mi (1,078.34 km) |
| Seaham to Chomutov | 686.78 mi (1,105.27 km) |
| Seaham to Chotebor | 798.55 mi (1,285.15 km) |
| Seaham to Chrudim | 794.79 mi (1,279.09 km) |
| Seaham to Decin | 705.18 mi (1,134.87 km) |
| Seaham to Dobris | 740.24 mi (1,191.31 km) |
| Seaham to Domazlice | 708.80 mi (1,140.71 km) |
| Seaham to Duchcov | 694.03 mi (1,116.94 km) |
| Seaham to Dvur Kralove nad Labem | 778.43 mi (1,252.76 km) |
| Seaham to Frenstat pod Radhostem | 901.26 mi (1,450.43 km) |
| Seaham to Frydek-Mistek | 901.72 mi (1,451.18 km) |
| Seaham to Frydlant nad Ostravici | 905.37 mi (1,457.05 km) |
