| Silleda to Cocentaina | 490.78 mi (789.83 km) |
| Silleda to Coin | 456.04 mi (733.93 km) |
| Silleda to Colindres | 246.31 mi (396.41 km) |
| Silleda to Collado-Villalba | 260.61 mi (419.41 km) |
| Silleda to Colmenar Viejo | 270.20 mi (434.84 km) |
| Silleda to Colmenarejo | 263.12 mi (423.45 km) |
| Silleda to Conil de la Frontera | 459.00 mi (738.69 km) |
| Silleda to Consuegra | 328.73 mi (529.03 km) |
| Silleda to Corbera de Llobregat | 528.58 mi (850.67 km) |
| Silleda to Cordoba | 379.16 mi (610.21 km) |
| Silleda to Coria del Rio | 391.66 mi (630.31 km) |
| Silleda to Crevillente | 496.52 mi (799.07 km) |
| Silleda to Cuarte de Huerva | 382.57 mi (615.69 km) |
| Silleda to Cubellas | 519.02 mi (835.29 km) |
| Silleda to Cuellar | 220.20 mi (354.37 km) |
