| Donaueschingen to Calafell | 577.54 mi (929.45 km) |
| Donaueschingen to Calahorra | 641.75 mi (1,032.80 km) |
| Donaueschingen to Calasparra | 844.78 mi (1,359.55 km) |
| Donaueschingen to Calatayud | 674.53 mi (1,085.55 km) |
| Donaueschingen to Caldas de Montbuy | 535.51 mi (861.82 km) |
| Donaueschingen to Caldas de Reyes | 909.15 mi (1,463.13 km) |
| Donaueschingen to Calella | 522.77 mi (841.31 km) |
| Donaueschingen to Callosa de Segura | 826.83 mi (1,330.66 km) |
| Donaueschingen to Calpe | 770.02 mi (1,239.23 km) |
| Donaueschingen to Calvia | 651.76 mi (1,048.90 km) |
| Donaueschingen to Camas | 1,034.34 mi (1,664.61 km) |
| Donaueschingen to Cambados | 919.82 mi (1,480.31 km) |
| Donaueschingen to Cambre | 873.03 mi (1,405.00 km) |
| Donaueschingen to Cambrils | 600.23 mi (965.98 km) |
| Donaueschingen to Campo de Criptana | 826.75 mi (1,330.53 km) |
