| Seaham to Carpentras | 797.67 mi (1,283.72 km) |
| Seaham to Carquefou | 521.22 mi (838.82 km) |
| Seaham to Carqueiranne | 877.24 mi (1,411.78 km) |
| Seaham to Carrieres-sous-Poissy | 431.72 mi (694.79 km) |
| Seaham to Carrieres-sur-Seine | 437.79 mi (704.55 km) |
| Seaham to Carros | 854.43 mi (1,375.07 km) |
| Seaham to Carvin | 350.05 mi (563.35 km) |
| Seaham to Castanet-Tolosan | 792.70 mi (1,275.73 km) |
| Seaham to Castelginest | 780.06 mi (1,255.39 km) |
| Seaham to Castelnau-le-Lez | 808.80 mi (1,301.64 km) |
| Seaham to Castelnaudary | 809.69 mi (1,303.07 km) |
| Seaham to Castelsarrasin | 754.14 mi (1,213.67 km) |
| Seaham to Castres | 793.06 mi (1,276.30 km) |
| Seaham to Caudebec-les-Elbeuf | 396.92 mi (638.79 km) |
| Seaham to Caudry | 382.04 mi (614.83 km) |
