| Sierre to Cehegin | 740.40 mi (1,191.56 km) |
| Sierre to Cervello | 437.89 mi (704.71 km) |
| Sierre to Cervera | 446.33 mi (718.30 km) |
| Sierre to Ceuti | 724.20 mi (1,165.49 km) |
| Sierre to Cheste | 627.89 mi (1,010.49 km) |
| Sierre to Chiclana de la Frontera | 982.18 mi (1,580.66 km) |
| Sierre to Chipiona | 976.62 mi (1,571.72 km) |
| Sierre to Chiva | 629.52 mi (1,013.11 km) |
| Sierre to Churriana de la Vega | 854.05 mi (1,374.45 km) |
| Sierre to Ciempozuelos | 702.58 mi (1,130.69 km) |
| Sierre to Cieza | 719.93 mi (1,158.61 km) |
| Sierre to Cisterniga | 687.34 mi (1,106.17 km) |
| Sierre to Ciudad de Melilla | 936.32 mi (1,506.87 km) |
| Sierre to Ciudad Real | 769.47 mi (1,238.34 km) |
| Sierre to Ciudad-Rodrigo | 806.75 mi (1,298.35 km) |
