| Onnaing to Cabestany | 533.42 mi (858.46 km) |
| Onnaing to Cabries | 487.24 mi (784.14 km) |
| Onnaing to Cachan | 123.99 mi (199.54 km) |
| Onnaing to Caen | 195.67 mi (314.91 km) |
| Onnaing to Cagnes-sur-Mer | 493.58 mi (794.34 km) |
| Onnaing to Cahors | 422.60 mi (680.11 km) |
| Onnaing to Calais | 85.53 mi (137.65 km) |
| Onnaing to Caluire-et-Cuire | 322.49 mi (519.00 km) |
| Onnaing to Cambrai | 21.65 mi (34.85 km) |
| Onnaing to Canet-en-Roussillon | 531.53 mi (855.41 km) |
| Onnaing to Cannes | 498.90 mi (802.90 km) |
| Onnaing to Canteleu | 131.06 mi (210.92 km) |
| Onnaing to Capbreton | 522.58 mi (841.01 km) |
| Onnaing to Carcassonne | 499.42 mi (803.74 km) |
| Onnaing to Carmaux | 443.11 mi (713.12 km) |
