| Siegen to Cervello | 716.19 mi (1,152.59 km) |
| Siegen to Cervera | 713.00 mi (1,147.47 km) |
| Siegen to Ceuti | 994.35 mi (1,600.26 km) |
| Siegen to Cheste | 893.20 mi (1,437.46 km) |
| Siegen to Chiclana de la Frontera | 1,220.45 mi (1,964.13 km) |
| Siegen to Chipiona | 1,209.83 mi (1,947.03 km) |
| Siegen to Chiva | 894.52 mi (1,439.59 km) |
| Siegen to Churriana de la Vega | 1,108.92 mi (1,784.64 km) |
| Siegen to Ciempozuelos | 928.39 mi (1,494.10 km) |
| Siegen to Cieza | 987.58 mi (1,589.35 km) |
| Siegen to Cisterniga | 879.72 mi (1,415.77 km) |
| Siegen to Ciudad de Melilla | 1,208.59 mi (1,945.04 km) |
| Siegen to Ciudad Real | 1,005.60 mi (1,618.35 km) |
| Siegen to Ciudad-Rodrigo | 995.45 mi (1,602.02 km) |
| Siegen to Cocentaina | 934.08 mi (1,503.26 km) |
