| Opera to Cognac | 462.20 mi (743.83 km) |
| Opera to Cogolin | 198.26 mi (319.06 km) |
| Opera to Colmar | 206.21 mi (331.86 km) |
| Opera to Colombes | 408.28 mi (657.06 km) |
| Opera to Colomiers | 406.93 mi (654.89 km) |
| Opera to Combs-la-Ville | 386.89 mi (622.64 km) |
| Opera to Comines | 468.94 mi (754.68 km) |
| Opera to Compiegne | 408.40 mi (657.25 km) |
| Opera to Concarneau | 645.69 mi (1,039.14 km) |
| Opera to Conde-sur-l'Escaut | 436.07 mi (701.78 km) |
| Opera to Conflans-Sainte-Honorine | 416.99 mi (671.08 km) |
| Opera to Corbas | 209.76 mi (337.58 km) |
| Opera to Corbeil-Essonnes | 387.76 mi (624.04 km) |
| Opera to Cormeilles-en-Parisis | 412.14 mi (663.28 km) |
| Opera to Cosne sur Loire | 330.77 mi (532.33 km) |
