| Santander to Coudekerque-Branche | 597.42 mi (961.46 km) |
| Santander to Coueron | 278.29 mi (447.86 km) |
| Santander to Coulommiers | 495.12 mi (796.82 km) |
| Santander to Courbevoic | 474.03 mi (762.87 km) |
| Santander to Courcouronnes | 465.03 mi (748.40 km) |
| Santander to Cournon-d'Auvergne | 378.59 mi (609.27 km) |
| Santander to Courrieres | 578.25 mi (930.60 km) |
| Santander to Coutras | 212.07 mi (341.29 km) |
| Santander to Couzeix | 298.61 mi (480.56 km) |
| Santander to Cran-Gevrier | 514.75 mi (828.40 km) |
| Santander to Craponne | 447.91 mi (720.85 km) |
| Santander to Creil | 499.87 mi (804.47 km) |
| Santander to Crepy-en-Valois | 510.37 mi (821.35 km) |
| Santander to Crest | 446.42 mi (718.45 km) |
| Santander to Creteil | 474.65 mi (763.88 km) |
