| Leek to Cognac | 517.73 mi (833.20 km) |
| Leek to Cogolin | 785.49 mi (1,264.12 km) |
| Leek to Colmar | 537.60 mi (865.18 km) |
| Leek to Colombes | 343.56 mi (552.90 km) |
| Leek to Colomiers | 673.67 mi (1,084.17 km) |
| Leek to Combs-la-Ville | 365.80 mi (588.70 km) |
| Leek to Comines | 268.66 mi (432.36 km) |
| Leek to Compiegne | 330.03 mi (531.13 km) |
| Leek to Concarneau | 370.99 mi (597.04 km) |
| Leek to Conde-sur-l'Escaut | 302.08 mi (486.15 km) |
| Leek to Conflans-Sainte-Honorine | 335.49 mi (539.92 km) |
| Leek to Corbas | 600.41 mi (966.27 km) |
| Leek to Corbeil-Essonnes | 367.29 mi (591.10 km) |
| Leek to Cormeilles-en-Parisis | 339.39 mi (546.19 km) |
| Leek to Cosne sur Loire | 450.03 mi (724.26 km) |
