| Onex to Carpentras | 155.67 mi (250.52 km) |
| Onex to Carquefou | 367.50 mi (591.44 km) |
| Onex to Carqueiranne | 213.38 mi (343.41 km) |
| Onex to Carrieres-sous-Poissy | 268.88 mi (432.72 km) |
| Onex to Carrieres-sur-Seine | 258.98 mi (416.79 km) |
| Onex to Carros | 174.93 mi (281.52 km) |
| Onex to Carvin | 330.83 mi (532.41 km) |
| Onex to Castanet-Tolosan | 291.10 mi (468.48 km) |
| Onex to Castelginest | 285.75 mi (459.86 km) |
| Onex to Castelnau-le-Lez | 206.19 mi (331.83 km) |
| Onex to Castelnaudary | 283.79 mi (456.72 km) |
| Onex to Castelsarrasin | 284.89 mi (458.48 km) |
| Onex to Castres | 259.50 mi (417.63 km) |
| Onex to Caudebec-les-Elbeuf | 318.48 mi (512.54 km) |
| Onex to Caudry | 299.16 mi (481.45 km) |
