| Penarth to Cocentaina | 886.34 mi (1,426.42 km) |
| Penarth to Coin | 1,022.99 mi (1,646.35 km) |
| Penarth to Colindres | 555.20 mi (893.51 km) |
| Penarth to Collado-Villalba | 747.05 mi (1,202.26 km) |
| Penarth to Colmenar Viejo | 744.75 mi (1,198.56 km) |
| Penarth to Colmenarejo | 752.07 mi (1,210.35 km) |
| Penarth to Conil de la Frontera | 1,057.47 mi (1,701.83 km) |
| Penarth to Consuegra | 827.18 mi (1,331.22 km) |
| Penarth to Corbera de Llobregat | 732.81 mi (1,179.34 km) |
| Penarth to Cordoba | 939.18 mi (1,511.46 km) |
| Penarth to Coria del Rio | 987.54 mi (1,589.29 km) |
| Penarth to Crevillente | 917.93 mi (1,477.27 km) |
| Penarth to Cuarte de Huerva | 688.64 mi (1,108.26 km) |
| Penarth to Cubellas | 742.58 mi (1,195.06 km) |
| Penarth to Cuellar | 695.06 mi (1,118.59 km) |
