| Olean to Cognac | 3,737.39 mi (6,014.75 km) |
| Olean to Cogolin | 4,114.92 mi (6,622.33 km) |
| Olean to Colmar | 3,983.14 mi (6,410.24 km) |
| Olean to Colombes | 3,748.78 mi (6,033.07 km) |
| Olean to Colomiers | 3,876.16 mi (6,238.08 km) |
| Olean to Combs-la-Ville | 3,769.00 mi (6,065.62 km) |
| Olean to Comines | 3,725.32 mi (5,995.32 km) |
| Olean to Compiegne | 3,757.42 mi (6,046.99 km) |
| Olean to Concarneau | 3,520.30 mi (5,665.38 km) |
| Olean to Conde-sur-l'Escaut | 3,757.59 mi (6,047.26 km) |
| Olean to Conflans-Sainte-Honorine | 3,740.23 mi (6,019.32 km) |
| Olean to Corbas | 3,962.07 mi (6,376.34 km) |
| Olean to Corbeil-Essonnes | 3,767.48 mi (6,063.18 km) |
| Olean to Cormeilles-en-Parisis | 3,745.20 mi (6,027.32 km) |
| Olean to Cosne sur Loire | 3,822.75 mi (6,152.12 km) |
