| Birkenau to Cartagena | 956.36 mi (1,539.11 km) |
| Birkenau to Cartama | 1,110.18 mi (1,786.66 km) |
| Birkenau to Cartaya | 1,158.39 mi (1,864.25 km) |
| Birkenau to Caspe | 713.69 mi (1,148.58 km) |
| Birkenau to Cassa de la Selva | 599.62 mi (965.00 km) |
| Birkenau to Castalla | 887.54 mi (1,428.36 km) |
| Birkenau to Castellbisbal | 645.88 mi (1,039.44 km) |
| Birkenau to Castelldefels | 658.05 mi (1,059.03 km) |
| Birkenau to Castello de Ampurias | 572.21 mi (920.88 km) |
| Birkenau to Castellon de la Plana | 787.27 mi (1,266.98 km) |
| Birkenau to Castilleja de la Cuesta | 1,116.37 mi (1,796.63 km) |
| Birkenau to Catarroja | 831.88 mi (1,338.77 km) |
| Birkenau to Catral | 917.62 mi (1,476.76 km) |
| Birkenau to Caudete | 889.29 mi (1,431.18 km) |
| Birkenau to Cehegin | 947.75 mi (1,525.26 km) |
