| Guadarrama to Coudekerque-Branche | 779.58 mi (1,254.62 km) |
| Guadarrama to Coueron | 467.07 mi (751.68 km) |
| Guadarrama to Coulommiers | 662.96 mi (1,066.94 km) |
| Guadarrama to Courbevoic | 647.28 mi (1,041.70 km) |
| Guadarrama to Courcouronnes | 635.42 mi (1,022.62 km) |
| Guadarrama to Cournon-d'Auvergne | 506.87 mi (815.73 km) |
| Guadarrama to Courrieres | 756.12 mi (1,216.85 km) |
| Guadarrama to Coutras | 362.26 mi (583.01 km) |
| Guadarrama to Couzeix | 448.18 mi (721.28 km) |
| Guadarrama to Cran-Gevrier | 626.44 mi (1,008.15 km) |
| Guadarrama to Craponne | 564.91 mi (909.13 km) |
| Guadarrama to Creil | 674.01 mi (1,084.71 km) |
| Guadarrama to Crepy-en-Valois | 682.17 mi (1,097.84 km) |
| Guadarrama to Crest | 540.39 mi (869.68 km) |
| Guadarrama to Creteil | 646.00 mi (1,039.63 km) |
