| Castanet-Tolosan to Cogolin | 253.29 mi (407.63 km) |
| Castanet-Tolosan to Colmar | 423.01 mi (680.76 km) |
| Castanet-Tolosan to Colombes | 375.39 mi (604.13 km) |
| Castanet-Tolosan to Colomiers | 10.56 mi (16.99 km) |
| Castanet-Tolosan to Combs-la-Ville | 359.74 mi (578.95 km) |
| Castanet-Tolosan to Comines | 505.59 mi (813.67 km) |
| Castanet-Tolosan to Compiegne | 412.43 mi (663.75 km) |
| Castanet-Tolosan to Concarneau | 398.64 mi (641.55 km) |
| Castanet-Tolosan to Conde-sur-l'Escaut | 489.06 mi (787.06 km) |
| Castanet-Tolosan to Conflans-Sainte-Honorine | 379.96 mi (611.49 km) |
| Castanet-Tolosan to Corbas | 223.94 mi (360.40 km) |
| Castanet-Tolosan to Corbeil-Essonnes | 355.39 mi (571.95 km) |
| Castanet-Tolosan to Cormeilles-en-Parisis | 378.62 mi (609.33 km) |
| Castanet-Tolosan to Cosne sur Loire | 277.83 mi (447.12 km) |
| Castanet-Tolosan to Coudekerque-Branche | 520.55 mi (837.74 km) |
