| Opovo to Cognac | 1,005.75 mi (1,618.60 km) |
| Opovo to Cogolin | 699.30 mi (1,125.42 km) |
| Opovo to Colmar | 654.44 mi (1,053.21 km) |
| Opovo to Colombes | 895.03 mi (1,440.42 km) |
| Opovo to Colomiers | 946.63 mi (1,523.46 km) |
| Opovo to Combs-la-Ville | 878.15 mi (1,413.24 km) |
| Opovo to Comines | 895.25 mi (1,440.77 km) |
| Opovo to Compiegne | 876.84 mi (1,411.13 km) |
| Opovo to Concarneau | 1,170.09 mi (1,883.08 km) |
| Opovo to Conde-sur-l'Escaut | 864.03 mi (1,390.52 km) |
| Opovo to Conflans-Sainte-Honorine | 902.86 mi (1,453.00 km) |
| Opovo to Corbas | 753.90 mi (1,213.28 km) |
| Opovo to Corbeil-Essonnes | 881.01 mi (1,417.85 km) |
| Opovo to Cormeilles-en-Parisis | 897.94 mi (1,445.09 km) |
| Opovo to Cosne sur Loire | 850.47 mi (1,368.70 km) |
