| Portimao to Coin | 211.80 mi (340.86 km) |
| Portimao to Colindres | 508.75 mi (818.76 km) |
| Portimao to Collado-Villalba | 343.00 mi (552.01 km) |
| Portimao to Colmenar Viejo | 353.55 mi (568.99 km) |
| Portimao to Colmenarejo | 339.26 mi (545.98 km) |
| Portimao to Conil de la Frontera | 148.69 mi (239.29 km) |
| Portimao to Consuegra | 311.89 mi (501.94 km) |
| Portimao to Corbera de Llobregat | 632.64 mi (1,018.13 km) |
| Portimao to Cordoba | 212.37 mi (341.77 km) |
| Portimao to Coria del Rio | 137.29 mi (220.95 km) |
| Portimao to Crevillente | 429.38 mi (691.02 km) |
| Portimao to Cuarte de Huerva | 509.71 mi (820.30 km) |
| Portimao to Cubellas | 614.57 mi (989.06 km) |
| Portimao to Cuellar | 371.19 mi (597.38 km) |
| Portimao to Cuenca | 399.80 mi (643.42 km) |
