| Ostend to Cartagena | 960.58 mi (1,545.91 km) |
| Ostend to Cartama | 1,069.44 mi (1,721.09 km) |
| Ostend to Cartaya | 1,082.26 mi (1,741.73 km) |
| Ostend to Caspe | 704.54 mi (1,133.84 km) |
| Ostend to Cassa de la Selva | 645.09 mi (1,038.18 km) |
| Ostend to Castalla | 889.81 mi (1,432.01 km) |
| Ostend to Castellbisbal | 675.06 mi (1,086.41 km) |
| Ostend to Castelldefels | 688.65 mi (1,108.27 km) |
| Ostend to Castello de Ampurias | 619.64 mi (997.22 km) |
| Ostend to Castellon de la Plana | 789.62 mi (1,270.78 km) |
| Ostend to Castilleja de la Cuesta | 1,052.40 mi (1,693.67 km) |
| Ostend to Catarroja | 832.47 mi (1,339.73 km) |
| Ostend to Catral | 920.83 mi (1,481.94 km) |
| Ostend to Caudete | 885.65 mi (1,425.32 km) |
| Ostend to Cehegin | 936.08 mi (1,506.47 km) |
