| Guichen to Coudekerque-Branche | 282.64 mi (454.86 km) |
| Guichen to Coueron | 52.06 mi (83.78 km) |
| Guichen to Coulommiers | 231.33 mi (372.29 km) |
| Guichen to Courbevoic | 196.37 mi (316.02 km) |
| Guichen to Courcouronnes | 199.38 mi (320.87 km) |
| Guichen to Cournon-d'Auvergne | 281.48 mi (452.99 km) |
| Guichen to Courrieres | 274.54 mi (441.84 km) |
| Guichen to Coutras | 217.17 mi (349.50 km) |
| Guichen to Couzeix | 203.38 mi (327.30 km) |
| Guichen to Cran-Gevrier | 398.78 mi (641.77 km) |
| Guichen to Craponne | 343.97 mi (553.57 km) |
| Guichen to Creil | 214.78 mi (345.66 km) |
| Guichen to Crepy-en-Valois | 231.11 mi (371.94 km) |
| Guichen to Crest | 394.48 mi (634.86 km) |
| Guichen to Creteil | 203.48 mi (327.47 km) |
