| Grenzach-Wyhlen to Coudekerque-Branche | 337.41 mi (543.00 km) |
| Grenzach-Wyhlen to Coueron | 439.26 mi (706.91 km) |
| Grenzach-Wyhlen to Coulommiers | 228.11 mi (367.11 km) |
| Grenzach-Wyhlen to Courbevoic | 265.59 mi (427.42 km) |
| Grenzach-Wyhlen to Courcouronnes | 252.43 mi (406.24 km) |
| Grenzach-Wyhlen to Cournon-d'Auvergne | 245.75 mi (395.50 km) |
| Grenzach-Wyhlen to Courrieres | 293.04 mi (471.61 km) |
| Grenzach-Wyhlen to Coutras | 410.03 mi (659.87 km) |
| Grenzach-Wyhlen to Couzeix | 325.33 mi (523.57 km) |
| Grenzach-Wyhlen to Cran-Gevrier | 135.61 mi (218.25 km) |
| Grenzach-Wyhlen to Craponne | 186.97 mi (300.91 km) |
| Grenzach-Wyhlen to Creil | 265.00 mi (426.48 km) |
| Grenzach-Wyhlen to Crepy-en-Valois | 247.81 mi (398.82 km) |
| Grenzach-Wyhlen to Crest | 232.33 mi (373.90 km) |
| Grenzach-Wyhlen to Creteil | 254.23 mi (409.15 km) |
