| Castrop-Rauxel to Cognac | 533.79 mi (859.05 km) |
| Castrop-Rauxel to Cogolin | 574.47 mi (924.52 km) |
| Castrop-Rauxel to Colmar | 239.64 mi (385.67 km) |
| Castrop-Rauxel to Colombes | 288.02 mi (463.53 km) |
| Castrop-Rauxel to Colomiers | 614.60 mi (989.10 km) |
| Castrop-Rauxel to Combs-la-Ville | 289.75 mi (466.31 km) |
| Castrop-Rauxel to Comines | 194.49 mi (313.00 km) |
| Castrop-Rauxel to Compiegne | 246.49 mi (396.69 km) |
| Castrop-Rauxel to Concarneau | 561.72 mi (904.00 km) |
| Castrop-Rauxel to Conde-sur-l'Escaut | 178.95 mi (288.00 km) |
| Castrop-Rauxel to Conflans-Sainte-Honorine | 289.99 mi (466.69 km) |
| Castrop-Rauxel to Corbas | 421.04 mi (677.60 km) |
| Castrop-Rauxel to Corbeil-Essonnes | 295.01 mi (474.78 km) |
| Castrop-Rauxel to Cormeilles-en-Parisis | 287.51 mi (462.71 km) |
| Castrop-Rauxel to Cosne sur Loire | 347.25 mi (558.84 km) |
