| Siano to Coin | 1,083.69 mi (1,744.03 km) |
| Siano to Colindres | 945.22 mi (1,521.19 km) |
| Siano to Collado-Villalba | 977.63 mi (1,573.34 km) |
| Siano to Colmenar Viejo | 964.80 mi (1,552.69 km) |
| Siano to Colmenarejo | 978.68 mi (1,575.04 km) |
| Siano to Conil de la Frontera | 1,162.74 mi (1,871.25 km) |
| Siano to Consuegra | 969.41 mi (1,560.11 km) |
| Siano to Corbera de Llobregat | 665.17 mi (1,070.49 km) |
| Siano to Cordoba | 1,057.60 mi (1,702.05 km) |
| Siano to Coria del Rio | 1,136.57 mi (1,829.13 km) |
| Siano to Crevillente | 843.67 mi (1,357.75 km) |
| Siano to Cuarte de Huerva | 812.34 mi (1,307.33 km) |
| Siano to Cubellas | 678.86 mi (1,092.52 km) |
| Siano to Cuellar | 988.53 mi (1,590.88 km) |
| Siano to Cuenca | 885.94 mi (1,425.79 km) |
