| Onnaing to Carpentras | 442.74 mi (712.52 km) |
| Onnaing to Carquefou | 314.82 mi (506.66 km) |
| Onnaing to Carqueiranne | 517.26 mi (832.44 km) |
| Onnaing to Carrieres-sous-Poissy | 121.50 mi (195.53 km) |
| Onnaing to Carrieres-sur-Seine | 117.66 mi (189.35 km) |
| Onnaing to Carros | 487.22 mi (784.10 km) |
| Onnaing to Carvin | 29.09 mi (46.81 km) |
| Onnaing to Castanet-Tolosan | 484.99 mi (780.51 km) |
| Onnaing to Castelginest | 473.57 mi (762.14 km) |
| Onnaing to Castelnau-le-Lez | 466.66 mi (751.02 km) |
| Onnaing to Castelnaudary | 494.57 mi (795.94 km) |
| Onnaing to Castelsarrasin | 453.84 mi (730.38 km) |
| Onnaing to Castres | 473.25 mi (761.63 km) |
| Onnaing to Caudebec-les-Elbeuf | 137.97 mi (222.04 km) |
| Onnaing to Caudry | 19.94 mi (32.09 km) |
