| Mentor to Cognac | 3,877.31 mi (6,239.93 km) |
| Mentor to Cogolin | 4,254.54 mi (6,847.02 km) |
| Mentor to Colmar | 4,116.82 mi (6,625.38 km) |
| Mentor to Colombes | 3,883.68 mi (6,250.18 km) |
| Mentor to Colomiers | 4,017.63 mi (6,465.75 km) |
| Mentor to Combs-la-Ville | 3,904.11 mi (6,283.05 km) |
| Mentor to Comines | 3,857.35 mi (6,207.80 km) |
| Mentor to Compiegne | 3,891.42 mi (6,262.64 km) |
| Mentor to Concarneau | 3,659.01 mi (5,888.61 km) |
| Mentor to Conde-sur-l'Escaut | 3,889.81 mi (6,260.05 km) |
| Mentor to Conflans-Sainte-Honorine | 3,875.10 mi (6,236.37 km) |
| Mentor to Corbas | 4,099.82 mi (6,598.02 km) |
| Mentor to Corbeil-Essonnes | 3,902.70 mi (6,280.79 km) |
| Mentor to Cormeilles-en-Parisis | 3,880.06 mi (6,244.35 km) |
| Mentor to Cosne sur Loire | 3,959.30 mi (6,371.88 km) |
