| Piraeus to Cartagena | 1,341.39 mi (2,158.76 km) |
| Piraeus to Cartama | 1,550.00 mi (2,494.48 km) |
| Piraeus to Cartaya | 1,678.49 mi (2,701.27 km) |
| Piraeus to Caspe | 1,277.07 mi (2,055.25 km) |
| Piraeus to Cassa de la Selva | 1,131.00 mi (1,820.17 km) |
| Piraeus to Castalla | 1,316.04 mi (2,117.96 km) |
| Piraeus to Castellbisbal | 1,173.83 mi (1,889.09 km) |
| Piraeus to Castelldefels | 1,173.04 mi (1,887.82 km) |
| Piraeus to Castello de Ampurias | 1,124.26 mi (1,809.32 km) |
| Piraeus to Castellon de la Plana | 1,276.17 mi (2,053.80 km) |
| Piraeus to Castilleja de la Cuesta | 1,617.83 mi (2,603.65 km) |
| Piraeus to Catarroja | 1,297.46 mi (2,088.07 km) |
| Piraeus to Catral | 1,326.59 mi (2,134.94 km) |
| Piraeus to Caudete | 1,332.36 mi (2,144.22 km) |
| Piraeus to Cehegin | 1,380.76 mi (2,222.12 km) |
