| Echelon to Cognac | 3,669.18 mi (5,904.97 km) |
| Echelon to Cogolin | 4,046.78 mi (6,512.67 km) |
| Echelon to Colmar | 3,936.37 mi (6,334.97 km) |
| Echelon to Colombes | 3,698.70 mi (5,952.48 km) |
| Echelon to Colomiers | 3,801.32 mi (6,117.63 km) |
| Echelon to Combs-la-Ville | 3,718.17 mi (5,983.81 km) |
| Echelon to Comines | 3,684.69 mi (5,929.94 km) |
| Echelon to Compiegne | 3,710.34 mi (5,971.21 km) |
| Echelon to Concarneau | 3,457.48 mi (5,564.28 km) |
| Echelon to Conde-sur-l'Escaut | 3,716.24 mi (5,980.71 km) |
| Echelon to Conflans-Sainte-Honorine | 3,690.30 mi (5,938.96 km) |
| Echelon to Corbas | 3,901.37 mi (6,278.64 km) |
| Echelon to Corbeil-Essonnes | 3,716.30 mi (5,980.80 km) |
| Echelon to Cormeilles-en-Parisis | 3,695.29 mi (5,946.99 km) |
| Echelon to Cosne sur Loire | 3,766.75 mi (6,062.00 km) |
