| Porthcawl to Cocentaina | 893.82 mi (1,438.46 km) |
| Porthcawl to Coin | 1,024.82 mi (1,649.29 km) |
| Porthcawl to Colindres | 558.62 mi (899.00 km) |
| Porthcawl to Collado-Villalba | 749.59 mi (1,206.34 km) |
| Porthcawl to Colmenar Viejo | 747.67 mi (1,203.27 km) |
| Porthcawl to Colmenarejo | 754.60 mi (1,214.42 km) |
| Porthcawl to Conil de la Frontera | 1,057.72 mi (1,702.24 km) |
| Porthcawl to Consuegra | 830.38 mi (1,336.37 km) |
| Porthcawl to Corbera de Llobregat | 744.46 mi (1,198.09 km) |
| Porthcawl to Cordoba | 940.85 mi (1,514.16 km) |
| Porthcawl to Coria del Rio | 987.66 mi (1,589.48 km) |
| Porthcawl to Crevillente | 924.83 mi (1,488.38 km) |
| Porthcawl to Cuarte de Huerva | 696.25 mi (1,120.51 km) |
| Porthcawl to Cubellas | 753.78 mi (1,213.09 km) |
| Porthcawl to Cuellar | 697.02 mi (1,121.75 km) |
