| Gagnef to Coudekerque-Branche | 821.90 mi (1,322.71 km) |
| Gagnef to Coueron | 1,143.14 mi (1,839.70 km) |
| Gagnef to Coulommiers | 941.38 mi (1,515.00 km) |
| Gagnef to Courbevoic | 953.10 mi (1,533.87 km) |
| Gagnef to Courcouronnes | 966.37 mi (1,555.22 km) |
| Gagnef to Cournon-d'Auvergne | 1,134.45 mi (1,825.73 km) |
| Gagnef to Courrieres | 843.42 mi (1,357.36 km) |
| Gagnef to Coutras | 1,241.85 mi (1,998.56 km) |
| Gagnef to Couzeix | 1,161.96 mi (1,869.99 km) |
| Gagnef to Cran-Gevrier | 1,078.82 mi (1,736.19 km) |
| Gagnef to Craponne | 1,109.33 mi (1,785.29 km) |
| Gagnef to Creil | 926.19 mi (1,490.56 km) |
| Gagnef to Crepy-en-Valois | 919.34 mi (1,479.54 km) |
| Gagnef to Crest | 1,171.76 mi (1,885.77 km) |
| Gagnef to Creteil | 955.36 mi (1,537.50 km) |
