| Grudziadz to Coudekerque-Branche | 710.93 mi (1,144.13 km) |
| Grudziadz to Coueron | 996.65 mi (1,603.96 km) |
| Grudziadz to Coulommiers | 749.88 mi (1,206.81 km) |
| Grudziadz to Courbevoic | 779.40 mi (1,254.32 km) |
| Grudziadz to Courcouronnes | 782.23 mi (1,258.87 km) |
| Grudziadz to Cournon-d'Auvergne | 875.18 mi (1,408.46 km) |
| Grudziadz to Courrieres | 702.94 mi (1,131.27 km) |
| Grudziadz to Coutras | 1,027.21 mi (1,653.14 km) |
| Grudziadz to Couzeix | 939.33 mi (1,511.71 km) |
| Grudziadz to Cran-Gevrier | 768.83 mi (1,237.31 km) |
| Grudziadz to Craponne | 822.48 mi (1,323.66 km) |
| Grudziadz to Creil | 758.05 mi (1,219.97 km) |
| Grudziadz to Crepy-en-Valois | 742.92 mi (1,195.62 km) |
| Grudziadz to Crest | 864.45 mi (1,391.20 km) |
| Grudziadz to Creteil | 774.93 mi (1,247.14 km) |
