| Gex to Cognac | 309.53 mi (498.14 km) |
| Gex to Cogolin | 214.12 mi (344.59 km) |
| Gex to Colmar | 135.29 mi (217.72 km) |
| Gex to Colombes | 251.80 mi (405.23 km) |
| Gex to Colomiers | 297.49 mi (478.76 km) |
| Gex to Combs-la-Ville | 229.57 mi (369.45 km) |
| Gex to Comines | 336.16 mi (541.00 km) |
| Gex to Compiegne | 260.34 mi (418.98 km) |
| Gex to Concarneau | 480.77 mi (773.73 km) |
| Gex to Conde-sur-l'Escaut | 306.04 mi (492.52 km) |
| Gex to Conflans-Sainte-Honorine | 260.45 mi (419.16 km) |
| Gex to Corbas | 72.04 mi (115.94 km) |
| Gex to Corbeil-Essonnes | 229.56 mi (369.44 km) |
| Gex to Cormeilles-en-Parisis | 255.87 mi (411.78 km) |
| Gex to Cosne sur Loire | 165.62 mi (266.53 km) |
