| Sid to Cervello | 904.44 mi (1,455.56 km) |
| Sid to Cervera | 930.67 mi (1,497.77 km) |
| Sid to Ceuti | 1,161.45 mi (1,869.17 km) |
| Sid to Cheste | 1,086.34 mi (1,748.30 km) |
| Sid to Chiclana de la Frontera | 1,449.94 mi (2,333.46 km) |
| Sid to Chipiona | 1,451.71 mi (2,336.30 km) |
| Sid to Chiva | 1,088.28 mi (1,751.41 km) |
| Sid to Churriana de la Vega | 1,305.89 mi (2,101.63 km) |
| Sid to Ciempozuelos | 1,206.31 mi (1,941.38 km) |
| Sid to Cieza | 1,162.58 mi (1,870.99 km) |
| Sid to Cisterniga | 1,220.67 mi (1,964.47 km) |
| Sid to Ciudad de Melilla | 1,346.90 mi (2,167.62 km) |
| Sid to Ciudad Real | 1,255.78 mi (2,020.99 km) |
| Sid to Ciudad-Rodrigo | 1,336.01 mi (2,150.10 km) |
| Sid to Cocentaina | 1,099.27 mi (1,769.10 km) |
