| Gradignan to Coudekerque-Branche | 453.83 mi (730.37 km) |
| Gradignan to Coueron | 176.97 mi (284.80 km) |
| Gradignan to Coulommiers | 329.54 mi (530.34 km) |
| Gradignan to Courbevoic | 315.58 mi (507.88 km) |
| Gradignan to Courcouronnes | 302.65 mi (487.07 km) |
| Gradignan to Cournon-d'Auvergne | 197.15 mi (317.28 km) |
| Gradignan to Courrieres | 426.32 mi (686.10 km) |
| Gradignan to Coutras | 30.18 mi (48.57 km) |
| Gradignan to Couzeix | 118.01 mi (189.92 km) |
| Gradignan to Cran-Gevrier | 335.46 mi (539.87 km) |
| Gradignan to Craponne | 268.16 mi (431.56 km) |
| Gradignan to Creil | 342.52 mi (551.24 km) |
| Gradignan to Crepy-en-Valois | 349.60 mi (562.63 km) |
| Gradignan to Crest | 276.60 mi (445.15 km) |
| Gradignan to Creteil | 313.48 mi (504.49 km) |
