| Ardahan to Coudekerque-Branche | 2,020.62 mi (3,251.87 km) |
| Ardahan to Coueron | 2,210.97 mi (3,558.21 km) |
| Ardahan to Coulommiers | 1,984.05 mi (3,193.03 km) |
| Ardahan to Courbevoic | 2,021.83 mi (3,253.82 km) |
| Ardahan to Courcouronnes | 2,013.87 mi (3,241.00 km) |
| Ardahan to Cournon-d'Auvergne | 1,987.29 mi (3,198.23 km) |
| Ardahan to Courrieres | 1,993.91 mi (3,208.89 km) |
| Ardahan to Coutras | 2,153.18 mi (3,465.21 km) |
| Ardahan to Couzeix | 2,080.28 mi (3,347.89 km) |
| Ardahan to Cran-Gevrier | 1,846.90 mi (2,972.30 km) |
| Ardahan to Craponne | 1,913.92 mi (3,080.16 km) |
| Ardahan to Creil | 2,011.58 mi (3,237.32 km) |
| Ardahan to Crepy-en-Valois | 1,993.32 mi (3,207.94 km) |
| Ardahan to Crest | 1,905.57 mi (3,066.72 km) |
| Ardahan to Creteil | 2,012.30 mi (3,238.48 km) |
