| Castel San Pietro Terme to Cognac | 587.80 mi (945.97 km) |
| Castel San Pietro Terme to Cogolin | 264.02 mi (424.90 km) |
| Castel San Pietro Terme to Colmar | 324.74 mi (522.62 km) |
| Castel San Pietro Terme to Colombes | 541.11 mi (870.82 km) |
| Castel San Pietro Terme to Colomiers | 511.76 mi (823.60 km) |
| Castel San Pietro Terme to Combs-la-Ville | 520.01 mi (836.87 km) |
| Castel San Pietro Terme to Comines | 593.29 mi (954.81 km) |
| Castel San Pietro Terme to Compiegne | 538.88 mi (867.24 km) |
| Castel San Pietro Terme to Concarneau | 778.49 mi (1,252.85 km) |
| Castel San Pietro Terme to Conde-sur-l'Escaut | 559.97 mi (901.19 km) |
| Castel San Pietro Terme to Conflans-Sainte-Honorine | 549.79 mi (884.80 km) |
| Castel San Pietro Terme to Corbas | 337.68 mi (543.44 km) |
| Castel San Pietro Terme to Corbeil-Essonnes | 521.08 mi (838.59 km) |
| Castel San Pietro Terme to Cormeilles-en-Parisis | 544.90 mi (876.93 km) |
| Castel San Pietro Terme to Cosne sur Loire | 464.98 mi (748.32 km) |
