| Piraeus to Coin | 1,557.10 mi (2,505.92 km) |
| Piraeus to Colindres | 1,461.92 mi (2,352.74 km) |
| Piraeus to Collado-Villalba | 1,484.34 mi (2,388.81 km) |
| Piraeus to Colmenar Viejo | 1,471.58 mi (2,368.28 km) |
| Piraeus to Colmenarejo | 1,484.96 mi (2,389.81 km) |
| Piraeus to Conil de la Frontera | 1,635.41 mi (2,631.94 km) |
| Piraeus to Consuegra | 1,467.66 mi (2,361.97 km) |
| Piraeus to Corbera de Llobregat | 1,176.11 mi (1,892.76 km) |
| Piraeus to Cordoba | 1,543.45 mi (2,483.95 km) |
| Piraeus to Coria del Rio | 1,619.11 mi (2,605.71 km) |
| Piraeus to Crevillente | 1,326.07 mi (2,134.10 km) |
| Piraeus to Cuarte de Huerva | 1,323.92 mi (2,130.64 km) |
| Piraeus to Cubellas | 1,188.41 mi (1,912.56 km) |
| Piraeus to Cuellar | 1,499.37 mi (2,413.00 km) |
| Piraeus to Cuenca | 1,387.94 mi (2,233.67 km) |
