| Preston to Cocentaina | 1,042.83 mi (1,678.27 km) |
| Preston to Coin | 1,185.05 mi (1,907.15 km) |
| Preston to Colindres | 716.77 mi (1,153.54 km) |
| Preston to Collado-Villalba | 908.94 mi (1,462.79 km) |
| Preston to Colmenar Viejo | 906.49 mi (1,458.85 km) |
| Preston to Colmenarejo | 913.96 mi (1,470.88 km) |
| Preston to Conil de la Frontera | 1,219.50 mi (1,962.60 km) |
| Preston to Consuegra | 988.75 mi (1,591.24 km) |
| Preston to Corbera de Llobregat | 879.15 mi (1,414.86 km) |
| Preston to Cordoba | 1,101.26 mi (1,772.31 km) |
| Preston to Coria del Rio | 1,149.53 mi (1,850.00 km) |
| Preston to Crevillente | 1,075.40 mi (1,730.69 km) |
| Preston to Cuarte de Huerva | 845.27 mi (1,360.32 km) |
| Preston to Cubellas | 890.33 mi (1,432.85 km) |
| Preston to Cuellar | 857.11 mi (1,379.39 km) |
