| Sondershausen to Calafell | 829.48 mi (1,334.93 km) |
| Sondershausen to Calahorra | 869.60 mi (1,399.49 km) |
| Sondershausen to Calasparra | 1,093.62 mi (1,760.01 km) |
| Sondershausen to Calatayud | 910.84 mi (1,465.86 km) |
| Sondershausen to Caldas de Montbuy | 788.38 mi (1,268.77 km) |
| Sondershausen to Caldas de Reyes | 1,095.53 mi (1,763.09 km) |
| Sondershausen to Calella | 777.37 mi (1,251.06 km) |
| Sondershausen to Callosa de Segura | 1,078.53 mi (1,735.73 km) |
| Sondershausen to Calpe | 1,023.28 mi (1,646.81 km) |
| Sondershausen to Calvia | 909.10 mi (1,463.05 km) |
| Sondershausen to Camas | 1,269.44 mi (2,042.96 km) |
| Sondershausen to Cambados | 1,106.40 mi (1,780.59 km) |
| Sondershausen to Cambre | 1,053.73 mi (1,695.81 km) |
| Sondershausen to Cambrils | 850.64 mi (1,368.97 km) |
| Sondershausen to Campo de Criptana | 1,065.88 mi (1,715.37 km) |
