| Gex to Carpentras | 164.85 mi (265.29 km) |
| Gex to Carquefou | 363.03 mi (584.23 km) |
| Gex to Carqueiranne | 223.75 mi (360.08 km) |
| Gex to Carrieres-sous-Poissy | 260.01 mi (418.45 km) |
| Gex to Carrieres-sur-Seine | 249.98 mi (402.31 km) |
| Gex to Carros | 185.41 mi (298.38 km) |
| Gex to Carvin | 320.58 mi (515.92 km) |
| Gex to Castanet-Tolosan | 295.98 mi (476.34 km) |
| Gex to Castelginest | 290.26 mi (467.12 km) |
| Gex to Castelnau-le-Lez | 214.01 mi (344.42 km) |
| Gex to Castelnaudary | 289.48 mi (465.88 km) |
| Gex to Castelsarrasin | 288.42 mi (464.16 km) |
| Gex to Castres | 265.11 mi (426.65 km) |
| Gex to Caudebec-les-Elbeuf | 309.88 mi (498.71 km) |
| Gex to Caudry | 288.86 mi (464.87 km) |
