| Soma to Carmona | 1,795.64 mi (2,889.81 km) |
| Soma to Cartagena | 1,545.73 mi (2,487.61 km) |
| Soma to Cartama | 1,755.57 mi (2,825.31 km) |
| Soma to Cartaya | 1,879.44 mi (3,024.67 km) |
| Soma to Caspe | 1,459.18 mi (2,348.32 km) |
| Soma to Cassa de la Selva | 1,307.48 mi (2,104.19 km) |
| Soma to Castalla | 1,515.16 mi (2,438.42 km) |
| Soma to Castellbisbal | 1,353.97 mi (2,179.01 km) |
| Soma to Castelldefels | 1,354.75 mi (2,180.26 km) |
| Soma to Castello de Ampurias | 1,297.44 mi (2,088.03 km) |
| Soma to Castellon de la Plana | 1,467.01 mi (2,360.93 km) |
| Soma to Castilleja de la Cuesta | 1,819.22 mi (2,927.75 km) |
| Soma to Catarroja | 1,491.89 mi (2,400.97 km) |
| Soma to Catral | 1,528.08 mi (2,459.21 km) |
| Soma to Caudete | 1,530.66 mi (2,463.35 km) |
