| Harlau to Cartagena | 1,563.13 mi (2,515.61 km) |
| Harlau to Cartama | 1,763.28 mi (2,837.72 km) |
| Harlau to Cartaya | 1,856.67 mi (2,988.02 km) |
| Harlau to Caspe | 1,390.64 mi (2,238.02 km) |
| Harlau to Cassa de la Selva | 1,235.95 mi (1,989.07 km) |
| Harlau to Castalla | 1,510.84 mi (2,431.47 km) |
| Harlau to Castellbisbal | 1,289.88 mi (2,075.85 km) |
| Harlau to Castelldefels | 1,296.36 mi (2,086.29 km) |
| Harlau to Castello de Ampurias | 1,215.62 mi (1,956.36 km) |
| Harlau to Castellon de la Plana | 1,431.85 mi (2,304.35 km) |
| Harlau to Castilleja de la Cuesta | 1,802.27 mi (2,900.47 km) |
| Harlau to Catarroja | 1,469.24 mi (2,364.51 km) |
| Harlau to Catral | 1,533.46 mi (2,467.87 km) |
| Harlau to Caudete | 1,521.27 mi (2,448.24 km) |
| Harlau to Cehegin | 1,581.08 mi (2,544.51 km) |
