| Grefrath to Coudekerque-Branche | 172.37 mi (277.40 km) |
| Grefrath to Coueron | 461.27 mi (742.35 km) |
| Grefrath to Coulommiers | 226.21 mi (364.05 km) |
| Grefrath to Courbevoic | 247.29 mi (397.97 km) |
| Grefrath to Courcouronnes | 255.51 mi (411.21 km) |
| Grefrath to Cournon-d'Auvergne | 412.30 mi (663.54 km) |
| Grefrath to Courrieres | 159.83 mi (257.22 km) |
| Grefrath to Coutras | 526.82 mi (847.84 km) |
| Grefrath to Couzeix | 443.22 mi (713.29 km) |
| Grefrath to Cran-Gevrier | 375.52 mi (604.34 km) |
| Grefrath to Craponne | 393.30 mi (632.95 km) |
| Grefrath to Creil | 222.66 mi (358.34 km) |
| Grefrath to Crepy-en-Valois | 210.51 mi (338.79 km) |
| Grefrath to Crest | 460.59 mi (741.25 km) |
| Grefrath to Creteil | 245.92 mi (395.77 km) |
