| Castel Bolognese to Cognac | 599.53 mi (964.85 km) |
| Castel Bolognese to Cogolin | 272.91 mi (439.21 km) |
| Castel Bolognese to Colmar | 335.81 mi (540.43 km) |
| Castel Bolognese to Colombes | 553.06 mi (890.07 km) |
| Castel Bolognese to Colomiers | 522.25 mi (840.48 km) |
| Castel Bolognese to Combs-la-Ville | 532.00 mi (856.17 km) |
| Castel Bolognese to Comines | 604.53 mi (972.89 km) |
| Castel Bolognese to Compiegne | 550.63 mi (886.15 km) |
| Castel Bolognese to Concarneau | 790.60 mi (1,272.35 km) |
| Castel Bolognese to Conde-sur-l'Escaut | 571.19 mi (919.24 km) |
| Castel Bolognese to Conflans-Sainte-Honorine | 561.75 mi (904.04 km) |
| Castel Bolognese to Corbas | 349.63 mi (562.67 km) |
| Castel Bolognese to Corbeil-Essonnes | 533.08 mi (857.92 km) |
| Castel Bolognese to Cormeilles-en-Parisis | 556.85 mi (896.16 km) |
| Castel Bolognese to Cosne sur Loire | 477.13 mi (767.87 km) |
