| Ciechanow to Cognac | 1,061.41 mi (1,708.17 km) |
| Ciechanow to Cogolin | 927.11 mi (1,492.05 km) |
| Ciechanow to Colmar | 669.49 mi (1,077.44 km) |
| Ciechanow to Colombes | 843.32 mi (1,357.19 km) |
| Ciechanow to Colomiers | 1,088.52 mi (1,751.80 km) |
| Ciechanow to Combs-la-Ville | 838.56 mi (1,349.54 km) |
| Ciechanow to Comines | 764.75 mi (1,230.74 km) |
| Ciechanow to Compiegne | 805.63 mi (1,296.54 km) |
| Ciechanow to Concarneau | 1,129.15 mi (1,817.20 km) |
| Ciechanow to Conde-sur-l'Escaut | 747.42 mi (1,202.85 km) |
| Ciechanow to Conflans-Sainte-Honorine | 847.36 mi (1,363.69 km) |
| Ciechanow to Corbas | 863.29 mi (1,389.33 km) |
| Ciechanow to Corbeil-Essonnes | 843.50 mi (1,357.48 km) |
| Ciechanow to Cormeilles-en-Parisis | 843.89 mi (1,358.11 km) |
| Ciechanow to Cosne sur Loire | 867.03 mi (1,395.35 km) |
