| Outreau to Coudekerque-Branche | 41.27 mi (66.42 km) |
| Outreau to Coueron | 284.06 mi (457.15 km) |
| Outreau to Coulommiers | 146.43 mi (235.65 km) |
| Outreau to Courbevoic | 128.20 mi (206.32 km) |
| Outreau to Courcouronnes | 148.49 mi (238.97 km) |
| Outreau to Cournon-d'Auvergne | 350.65 mi (564.32 km) |
| Outreau to Courrieres | 61.75 mi (99.38 km) |
| Outreau to Coutras | 399.32 mi (642.64 km) |
| Outreau to Couzeix | 333.97 mi (537.47 km) |
| Outreau to Cran-Gevrier | 390.94 mi (629.16 km) |
| Outreau to Craponne | 371.57 mi (597.98 km) |
| Outreau to Creil | 107.41 mi (172.86 km) |
| Outreau to Crepy-en-Valois | 116.67 mi (187.77 km) |
| Outreau to Crest | 442.44 mi (712.04 km) |
| Outreau to Creteil | 137.73 mi (221.66 km) |
