| Conwy to Coudekerque-Branche | 306.17 mi (492.73 km) |
| Conwy to Coueron | 429.18 mi (690.69 km) |
| Conwy to Coulommiers | 430.13 mi (692.22 km) |
| Conwy to Courbevoic | 401.42 mi (646.03 km) |
| Conwy to Courcouronnes | 421.25 mi (677.94 km) |
| Conwy to Cournon-d'Auvergne | 608.13 mi (978.69 km) |
| Conwy to Courrieres | 348.50 mi (560.86 km) |
| Conwy to Coutras | 593.12 mi (954.53 km) |
| Conwy to Couzeix | 559.35 mi (900.18 km) |
| Conwy to Cran-Gevrier | 675.29 mi (1,086.77 km) |
| Conwy to Craponne | 645.76 mi (1,039.25 km) |
| Conwy to Creil | 389.20 mi (626.36 km) |
| Conwy to Crepy-en-Valois | 402.80 mi (648.24 km) |
| Conwy to Crest | 713.05 mi (1,147.54 km) |
| Conwy to Creteil | 413.15 mi (664.90 km) |
