| Donauworth to Cartagena | 967.63 mi (1,557.25 km) |
| Donauworth to Cartama | 1,135.89 mi (1,828.04 km) |
| Donauworth to Cartaya | 1,196.75 mi (1,925.98 km) |
| Donauworth to Caspe | 737.97 mi (1,187.66 km) |
| Donauworth to Cassa de la Selva | 607.46 mi (977.62 km) |
| Donauworth to Castalla | 901.38 mi (1,450.62 km) |
| Donauworth to Castellbisbal | 657.98 mi (1,058.91 km) |
| Donauworth to Castelldefels | 668.95 mi (1,076.58 km) |
| Donauworth to Castello de Ampurias | 580.91 mi (934.89 km) |
| Donauworth to Castellon de la Plana | 804.20 mi (1,294.24 km) |
| Donauworth to Castilleja de la Cuesta | 1,150.83 mi (1,852.08 km) |
| Donauworth to Catarroja | 848.03 mi (1,364.77 km) |
| Donauworth to Catral | 930.26 mi (1,497.12 km) |
| Donauworth to Caudete | 905.43 mi (1,457.14 km) |
| Donauworth to Cehegin | 965.54 mi (1,553.88 km) |
