| Most to Coin | 1,319.82 mi (2,124.05 km) |
| Most to Colindres | 940.30 mi (1,513.27 km) |
| Most to Collado-Villalba | 1,087.70 mi (1,750.48 km) |
| Most to Colmenar Viejo | 1,077.44 mi (1,733.97 km) |
| Most to Colmenarejo | 1,091.55 mi (1,756.68 km) |
| Most to Conil de la Frontera | 1,387.40 mi (2,232.80 km) |
| Most to Consuegra | 1,131.65 mi (1,821.21 km) |
| Most to Corbera de Llobregat | 840.75 mi (1,353.05 km) |
| Most to Cordoba | 1,255.41 mi (2,020.38 km) |
| Most to Coria del Rio | 1,332.07 mi (2,143.77 km) |
| Most to Crevillente | 1,103.18 mi (1,775.39 km) |
| Most to Cuarte de Huerva | 928.15 mi (1,493.71 km) |
| Most to Cubellas | 860.24 mi (1,384.42 km) |
| Most to Cuellar | 1,062.70 mi (1,710.25 km) |
| Most to Cuenca | 1,049.01 mi (1,688.21 km) |
