| Royken to Cognac | 1,066.23 mi (1,715.92 km) |
| Royken to Cogolin | 1,150.53 mi (1,851.60 km) |
| Royken to Colmar | 814.51 mi (1,310.82 km) |
| Royken to Colombes | 814.90 mi (1,311.46 km) |
| Royken to Colomiers | 1,177.37 mi (1,894.80 km) |
| Royken to Combs-la-Ville | 826.58 mi (1,330.26 km) |
| Royken to Comines | 684.41 mi (1,101.44 km) |
| Royken to Compiegne | 774.12 mi (1,245.82 km) |
| Royken to Concarneau | 1,002.38 mi (1,613.18 km) |
| Royken to Conde-sur-l'Escaut | 695.28 mi (1,118.94 km) |
| Royken to Conflans-Sainte-Honorine | 812.50 mi (1,307.59 km) |
| Royken to Corbas | 998.16 mi (1,606.38 km) |
| Royken to Corbeil-Essonnes | 831.43 mi (1,338.05 km) |
| Royken to Cormeilles-en-Parisis | 812.46 mi (1,307.53 km) |
| Royken to Cosne sur Loire | 904.04 mi (1,454.92 km) |
