| Somero to Coin | 2,066.06 mi (3,325.00 km) |
| Somero to Colindres | 1,630.72 mi (2,624.40 km) |
| Somero to Collado-Villalba | 1,807.47 mi (2,908.84 km) |
| Somero to Colmenar Viejo | 1,799.43 mi (2,895.90 km) |
| Somero to Colmenarejo | 1,812.00 mi (2,916.13 km) |
| Somero to Conil de la Frontera | 2,125.26 mi (3,420.28 km) |
| Somero to Consuegra | 1,866.73 mi (3,004.20 km) |
| Somero to Corbera de Llobregat | 1,609.42 mi (2,590.11 km) |
| Somero to Cordoba | 1,992.73 mi (3,206.99 km) |
| Somero to Coria del Rio | 2,062.75 mi (3,319.68 km) |
| Somero to Crevillente | 1,870.31 mi (3,009.98 km) |
| Somero to Cuarte de Huerva | 1,669.51 mi (2,686.82 km) |
| Somero to Cubellas | 1,628.25 mi (2,620.41 km) |
| Somero to Cuellar | 1,770.53 mi (2,849.38 km) |
| Somero to Cuenca | 1,792.45 mi (2,884.68 km) |
