| Siegen to Coin | 1,167.00 mi (1,878.10 km) |
| Siegen to Colindres | 745.34 mi (1,199.51 km) |
| Siegen to Collado-Villalba | 912.80 mi (1,469.01 km) |
| Siegen to Colmenar Viejo | 904.08 mi (1,454.97 km) |
| Siegen to Colmenarejo | 917.16 mi (1,476.03 km) |
| Siegen to Conil de la Frontera | 1,227.51 mi (1,975.49 km) |
| Siegen to Consuegra | 968.72 mi (1,559.01 km) |
| Siegen to Corbera de Llobregat | 715.39 mi (1,151.31 km) |
| Siegen to Cordoba | 1,094.73 mi (1,761.79 km) |
| Siegen to Coria del Rio | 1,166.38 mi (1,877.11 km) |
| Siegen to Crevillente | 973.47 mi (1,566.64 km) |
| Siegen to Cuarte de Huerva | 770.25 mi (1,239.59 km) |
| Siegen to Cubellas | 733.66 mi (1,180.71 km) |
| Siegen to Cuellar | 879.55 mi (1,415.49 km) |
| Siegen to Cuenca | 893.24 mi (1,437.53 km) |