| Mont-de-Marsan to Coudekerque-Branche | 511.07 mi (822.48 km) |
| Mont-de-Marsan to Coueron | 237.26 mi (381.84 km) |
| Mont-de-Marsan to Coulommiers | 380.72 mi (612.71 km) |
| Mont-de-Marsan to Courbevoic | 369.98 mi (595.42 km) |
| Mont-de-Marsan to Courcouronnes | 355.69 mi (572.43 km) |
| Mont-de-Marsan to Cournon-d'Auvergne | 221.81 mi (356.96 km) |
| Mont-de-Marsan to Courrieres | 481.69 mi (775.21 km) |
| Mont-de-Marsan to Coutras | 81.59 mi (131.31 km) |
| Mont-de-Marsan to Couzeix | 161.47 mi (259.86 km) |
| Mont-de-Marsan to Cran-Gevrier | 351.75 mi (566.09 km) |
| Mont-de-Marsan to Craponne | 286.22 mi (460.63 km) |
| Mont-de-Marsan to Creil | 396.97 mi (638.87 km) |
| Mont-de-Marsan to Crepy-en-Valois | 402.70 mi (648.08 km) |
| Mont-de-Marsan to Crest | 279.04 mi (449.08 km) |
| Mont-de-Marsan to Creteil | 366.87 mi (590.41 km) |
