| Colwyn Bay to Coudekerque-Branche | 301.78 mi (485.66 km) |
| Colwyn Bay to Coueron | 428.65 mi (689.84 km) |
| Colwyn Bay to Coulommiers | 426.70 mi (686.71 km) |
| Colwyn Bay to Courbevoic | 398.26 mi (640.93 km) |
| Colwyn Bay to Courcouronnes | 418.14 mi (672.94 km) |
| Colwyn Bay to Cournon-d'Auvergne | 605.73 mi (974.83 km) |
| Colwyn Bay to Courrieres | 344.29 mi (554.08 km) |
| Colwyn Bay to Coutras | 592.16 mi (953.00 km) |
| Colwyn Bay to Couzeix | 557.65 mi (897.45 km) |
| Colwyn Bay to Cran-Gevrier | 672.00 mi (1,081.48 km) |
| Colwyn Bay to Craponne | 642.88 mi (1,034.62 km) |
| Colwyn Bay to Creil | 385.77 mi (620.84 km) |
| Colwyn Bay to Crepy-en-Valois | 399.24 mi (642.52 km) |
| Colwyn Bay to Crest | 710.34 mi (1,143.18 km) |
| Colwyn Bay to Creteil | 409.95 mi (659.75 km) |
