| Portishead to Cocentaina | 887.31 mi (1,427.99 km) |
| Portishead to Coin | 1,028.42 mi (1,655.08 km) |
| Portishead to Colindres | 559.69 mi (900.73 km) |
| Portishead to Collado-Villalba | 752.06 mi (1,210.32 km) |
| Portishead to Colmenar Viejo | 749.47 mi (1,206.15 km) |
| Portishead to Colmenarejo | 757.08 mi (1,218.41 km) |
| Portishead to Conil de la Frontera | 1,064.05 mi (1,712.43 km) |
| Portishead to Consuegra | 831.64 mi (1,338.39 km) |
| Portishead to Corbera de Llobregat | 730.19 mi (1,175.13 km) |
| Portishead to Cordoba | 944.75 mi (1,520.42 km) |
| Portishead to Coria del Rio | 994.25 mi (1,600.08 km) |
| Portishead to Crevillente | 919.38 mi (1,479.60 km) |
| Portishead to Cuarte de Huerva | 689.62 mi (1,109.83 km) |
| Portishead to Cubellas | 740.37 mi (1,191.51 km) |
| Portishead to Cuellar | 700.53 mi (1,127.40 km) |
