| Sierning to Cervello | 759.19 mi (1,221.79 km) |
| Sierning to Cervera | 774.32 mi (1,246.15 km) |
| Sierning to Ceuti | 1,041.84 mi (1,676.68 km) |
| Sierning to Cheste | 951.11 mi (1,530.66 km) |
| Sierning to Chiclana de la Frontera | 1,312.53 mi (2,112.32 km) |
| Sierning to Chipiona | 1,308.81 mi (2,106.33 km) |
| Sierning to Chiva | 952.87 mi (1,533.49 km) |
| Sierning to Churriana de la Vega | 1,178.57 mi (1,896.72 km) |
| Sierning to Ciempozuelos | 1,039.33 mi (1,672.64 km) |
| Sierning to Cieza | 1,039.40 mi (1,672.76 km) |
| Sierning to Cisterniga | 1,027.55 mi (1,653.68 km) |
| Sierning to Ciudad de Melilla | 1,247.90 mi (2,008.30 km) |
| Sierning to Ciudad Real | 1,102.85 mi (1,774.86 km) |
| Sierning to Ciudad-Rodrigo | 1,146.93 mi (1,845.81 km) |
| Sierning to Cocentaina | 977.46 mi (1,573.07 km) |
