| Soma to Cehegin | 1,581.91 mi (2,545.84 km) |
| Soma to Cervello | 1,355.36 mi (2,181.25 km) |
| Soma to Cervera | 1,390.32 mi (2,237.50 km) |
| Soma to Ceuti | 1,554.08 mi (2,501.05 km) |
| Soma to Cheste | 1,505.90 mi (2,423.52 km) |
| Soma to Chiclana de la Frontera | 1,842.24 mi (2,964.80 km) |
| Soma to Chipiona | 1,851.31 mi (2,979.40 km) |
| Soma to Chiva | 1,507.85 mi (2,426.65 km) |
| Soma to Churriana de la Vega | 1,695.42 mi (2,728.51 km) |
| Soma to Ciempozuelos | 1,653.47 mi (2,661.00 km) |
| Soma to Cieza | 1,559.64 mi (2,509.99 km) |
| Soma to Cisterniga | 1,697.36 mi (2,731.64 km) |
| Soma to Ciudad de Melilla | 1,694.20 mi (2,726.55 km) |
| Soma to Ciudad Real | 1,682.17 mi (2,707.18 km) |
| Soma to Ciudad-Rodrigo | 1,801.50 mi (2,899.24 km) |
