| Portchester to Cocentaina | 836.48 mi (1,346.18 km) |
| Portchester to Coin | 995.71 mi (1,602.45 km) |
| Portchester to Colindres | 525.87 mi (846.30 km) |
| Portchester to Collado-Villalba | 718.82 mi (1,156.83 km) |
| Portchester to Colmenar Viejo | 714.93 mi (1,150.57 km) |
| Portchester to Colmenarejo | 723.83 mi (1,164.90 km) |
| Portchester to Conil de la Frontera | 1,036.66 mi (1,668.35 km) |
| Portchester to Consuegra | 795.44 mi (1,280.14 km) |
| Portchester to Corbera de Llobregat | 667.25 mi (1,073.83 km) |
| Portchester to Cordoba | 913.05 mi (1,469.40 km) |
| Portchester to Coria del Rio | 967.70 mi (1,557.37 km) |
| Portchester to Crevillente | 870.25 mi (1,400.54 km) |
| Portchester to Cuarte de Huerva | 639.79 mi (1,029.64 km) |
| Portchester to Cubellas | 678.73 mi (1,092.32 km) |
| Portchester to Cuellar | 669.84 mi (1,078.00 km) |
