| Gengenbach to Coudekerque-Branche | 309.79 mi (498.57 km) |
| Gengenbach to Coueron | 458.97 mi (738.65 km) |
| Gengenbach to Coulommiers | 227.15 mi (365.56 km) |
| Gengenbach to Courbevoic | 265.27 mi (426.91 km) |
| Gengenbach to Courcouronnes | 256.15 mi (412.23 km) |
| Gengenbach to Cournon-d'Auvergne | 291.72 mi (469.48 km) |
| Gengenbach to Courrieres | 268.46 mi (432.05 km) |
| Gengenbach to Coutras | 449.91 mi (724.06 km) |
| Gengenbach to Couzeix | 362.99 mi (584.17 km) |
| Gengenbach to Cran-Gevrier | 194.48 mi (312.99 km) |
| Gengenbach to Craponne | 240.08 mi (386.37 km) |
| Gengenbach to Creil | 258.51 mi (416.03 km) |
| Gengenbach to Crepy-en-Valois | 240.32 mi (386.76 km) |
| Gengenbach to Crest | 290.80 mi (467.99 km) |
| Gengenbach to Creteil | 255.17 mi (410.65 km) |
