| Seaham to Coudekerque-Branche | 305.88 mi (492.26 km) |
| Seaham to Coueron | 527.06 mi (848.21 km) |
| Seaham to Coulommiers | 456.88 mi (735.28 km) |
| Seaham to Courbevoic | 438.10 mi (705.06 km) |
| Seaham to Courcouronnes | 458.61 mi (738.07 km) |
| Seaham to Cournon-d'Auvergne | 659.38 mi (1,061.17 km) |
| Seaham to Courrieres | 351.93 mi (566.38 km) |
| Seaham to Coutras | 679.17 mi (1,093.02 km) |
| Seaham to Couzeix | 629.58 mi (1,013.20 km) |
| Seaham to Cran-Gevrier | 698.27 mi (1,123.76 km) |
| Seaham to Craponne | 682.39 mi (1,098.20 km) |
| Seaham to Creil | 418.32 mi (673.23 km) |
| Seaham to Crepy-en-Valois | 426.77 mi (686.82 km) |
| Seaham to Crest | 753.35 mi (1,212.40 km) |
| Seaham to Creteil | 448.23 mi (721.35 km) |
