| Boulogne-Billancourt to Coueron | 214.60 mi (345.36 km) |
| Boulogne-Billancourt to Coulommiers | 38.36 mi (61.73 km) |
| Boulogne-Billancourt to Courbevoic | 4.36 mi (7.02 km) |
| Boulogne-Billancourt to Courcouronnes | 16.94 mi (27.26 km) |
| Boulogne-Billancourt to Cournon-d'Auvergne | 218.35 mi (351.40 km) |
| Boulogne-Billancourt to Courrieres | 116.50 mi (187.48 km) |
| Boulogne-Billancourt to Coutras | 284.97 mi (458.62 km) |
| Boulogne-Billancourt to Couzeix | 209.76 mi (337.58 km) |
| Boulogne-Billancourt to Cran-Gevrier | 271.42 mi (436.80 km) |
| Boulogne-Billancourt to Craponne | 243.10 mi (391.23 km) |
| Boulogne-Billancourt to Creil | 31.23 mi (50.25 km) |
| Boulogne-Billancourt to Crepy-en-Valois | 40.23 mi (64.75 km) |
| Boulogne-Billancourt to Crest | 312.73 mi (503.29 km) |
| Boulogne-Billancourt to Creteil | 10.55 mi (16.97 km) |
| Boulogne-Billancourt to Creutzwald | 203.44 mi (327.40 km) |
