| Ciechanow to Coudekerque-Branche | 785.04 mi (1,263.40 km) |
| Ciechanow to Coueron | 1,060.68 mi (1,706.99 km) |
| Ciechanow to Coulommiers | 812.74 mi (1,307.97 km) |
| Ciechanow to Courbevoic | 844.06 mi (1,358.38 km) |
| Ciechanow to Courcouronnes | 845.32 mi (1,360.41 km) |
| Ciechanow to Cournon-d'Auvergne | 923.36 mi (1,486.01 km) |
| Ciechanow to Courrieres | 773.92 mi (1,245.50 km) |
| Ciechanow to Coutras | 1,080.46 mi (1,738.83 km) |
| Ciechanow to Couzeix | 992.82 mi (1,597.79 km) |
| Ciechanow to Cran-Gevrier | 809.03 mi (1,302.01 km) |
| Ciechanow to Craponne | 866.36 mi (1,394.28 km) |
| Ciechanow to Creil | 824.02 mi (1,326.14 km) |
| Ciechanow to Crepy-en-Valois | 808.14 mi (1,300.58 km) |
| Ciechanow to Crest | 902.82 mi (1,452.94 km) |
| Ciechanow to Creteil | 838.75 mi (1,349.84 km) |
