| Portimao to Cartagena | 416.05 mi (669.57 km) |
| Portimao to Cartama | 217.82 mi (350.55 km) |
| Portimao to Cartaya | 77.06 mi (124.02 km) |
| Portimao to Caspe | 535.87 mi (862.40 km) |
| Portimao to Cassa de la Selva | 690.47 mi (1,111.20 km) |
| Portimao to Castalla | 440.67 mi (709.19 km) |
| Portimao to Castellbisbal | 636.75 mi (1,024.74 km) |
| Portimao to Castelldefels | 630.93 mi (1,015.39 km) |
| Portimao to Castello de Ampurias | 710.67 mi (1,143.71 km) |
| Portimao to Castellon de la Plana | 499.55 mi (803.95 km) |
| Portimao to Castilleja de la Cuesta | 137.89 mi (221.90 km) |
| Portimao to Catarroja | 467.97 mi (753.12 km) |
| Portimao to Catral | 428.79 mi (690.06 km) |
| Portimao to Caudete | 425.39 mi (684.60 km) |
| Portimao to Cehegin | 374.63 mi (602.91 km) |
