| Echelon to Cabestany | 3,901.98 mi (6,279.63 km) |
| Echelon to Cabries | 3,989.32 mi (6,420.19 km) |
| Echelon to Cachan | 3,705.40 mi (5,963.27 km) |
| Echelon to Caen | 3,581.30 mi (5,763.54 km) |
| Echelon to Cagnes-sur-Mer | 4,061.40 mi (6,536.19 km) |
| Echelon to Cahors | 3,782.43 mi (6,087.23 km) |
| Echelon to Calais | 3,633.09 mi (5,846.90 km) |
| Echelon to Caluire-et-Cuire | 3,895.28 mi (6,268.84 km) |
| Echelon to Cambrai | 3,708.41 mi (5,968.12 km) |
| Echelon to Canet-en-Roussillon | 3,904.18 mi (6,283.17 km) |
| Echelon to Cannes | 4,058.92 mi (6,532.19 km) |
| Echelon to Canteleu | 3,634.41 mi (5,849.02 km) |
| Echelon to Capbreton | 3,673.79 mi (5,912.39 km) |
| Echelon to Carcassonne | 3,859.19 mi (6,210.76 km) |
| Echelon to Carmaux | 3,826.11 mi (6,157.53 km) |
