| Gex to Coudekerque-Branche | 364.67 mi (586.89 km) |
| Gex to Coueron | 373.03 mi (600.33 km) |
| Gex to Coulommiers | 220.50 mi (354.86 km) |
| Gex to Courbevoic | 250.54 mi (403.20 km) |
| Gex to Courcouronnes | 231.81 mi (373.06 km) |
| Gex to Cournon-d'Auvergne | 143.14 mi (230.37 km) |
| Gex to Courrieres | 318.66 mi (512.83 km) |
| Gex to Coutras | 311.58 mi (501.45 km) |
| Gex to Couzeix | 232.98 mi (374.94 km) |
| Gex to Cran-Gevrier | 29.77 mi (47.91 km) |
| Gex to Craponne | 75.81 mi (122.00 km) |
| Gex to Creil | 261.41 mi (420.71 km) |
| Gex to Crepy-en-Valois | 248.63 mi (400.13 km) |
| Gex to Crest | 121.69 mi (195.85 km) |
| Gex to Creteil | 238.55 mi (383.91 km) |
