| Sile to Cocentaina | 1,592.47 mi (2,562.84 km) |
| Sile to Coin | 1,860.88 mi (2,994.79 km) |
| Sile to Colindres | 1,685.74 mi (2,712.93 km) |
| Sile to Collado-Villalba | 1,745.10 mi (2,808.47 km) |
| Sile to Colmenar Viejo | 1,732.30 mi (2,787.87 km) |
| Sile to Colmenarejo | 1,746.62 mi (2,810.92 km) |
| Sile to Conil de la Frontera | 1,939.95 mi (3,122.04 km) |
| Sile to Consuegra | 1,743.37 mi (2,805.69 km) |
| Sile to Corbera de Llobregat | 1,430.87 mi (2,302.77 km) |
| Sile to Cordoba | 1,834.81 mi (2,952.84 km) |
| Sile to Coria del Rio | 1,913.99 mi (3,080.28 km) |
| Sile to Crevillente | 1,621.19 mi (2,609.05 km) |
| Sile to Cuarte de Huerva | 1,574.70 mi (2,534.24 km) |
| Sile to Cubellas | 1,446.30 mi (2,327.60 km) |
| Sile to Cuellar | 1,749.99 mi (2,816.34 km) |
