| Santander to Cocentaina | 369.97 mi (595.41 km) |
| Santander to Coin | 472.21 mi (759.94 km) |
| Santander to Colindres | 18.47 mi (29.73 km) |
| Santander to Collado-Villalba | 195.78 mi (315.07 km) |
| Santander to Colmenar Viejo | 193.74 mi (311.80 km) |
| Santander to Colmenarejo | 200.80 mi (323.16 km) |
| Santander to Conil de la Frontera | 511.61 mi (823.36 km) |
| Santander to Consuegra | 276.63 mi (445.19 km) |
| Santander to Corbera de Llobregat | 324.77 mi (522.66 km) |
| Santander to Cordoba | 388.78 mi (625.69 km) |
| Santander to Coria del Rio | 442.96 mi (712.88 km) |
| Santander to Crevillente | 392.75 mi (632.06 km) |
| Santander to Cuarte de Huerva | 196.18 mi (315.72 km) |
| Santander to Cubellas | 320.10 mi (515.15 km) |
| Santander to Cuellar | 144.80 mi (233.04 km) |
