| Somero to Cartagena | 1,914.70 mi (3,081.41 km) |
| Somero to Cartama | 2,060.25 mi (3,315.65 km) |
| Somero to Cartaya | 2,092.45 mi (3,367.47 km) |
| Somero to Caspe | 1,668.32 mi (2,684.91 km) |
| Somero to Cassa de la Selva | 1,558.26 mi (2,507.77 km) |
| Somero to Castalla | 1,845.45 mi (2,969.96 km) |
| Somero to Castellbisbal | 1,604.54 mi (2,582.26 km) |
| Somero to Castelldefels | 1,616.78 mi (2,601.95 km) |
| Somero to Castello de Ampurias | 1,530.87 mi (2,463.70 km) |
| Somero to Castellon de la Plana | 1,744.61 mi (2,807.67 km) |
| Somero to Castilleja de la Cuesta | 2,056.72 mi (3,309.96 km) |
| Somero to Catarroja | 1,789.29 mi (2,879.58 km) |
| Somero to Catral | 1,875.74 mi (3,018.72 km) |
| Somero to Caudete | 1,846.50 mi (2,971.66 km) |
| Somero to Cehegin | 1,904.08 mi (3,064.32 km) |
