| Sonsbeck to Cartagena | 1,032.11 mi (1,661.03 km) |
| Sonsbeck to Cartama | 1,162.02 mi (1,870.09 km) |
| Sonsbeck to Cartaya | 1,189.47 mi (1,914.27 km) |
| Sonsbeck to Caspe | 778.45 mi (1,252.80 km) |
| Sonsbeck to Cassa de la Selva | 691.52 mi (1,112.89 km) |
| Sonsbeck to Castalla | 961.41 mi (1,547.24 km) |
| Sonsbeck to Castellbisbal | 730.21 mi (1,175.16 km) |
| Sonsbeck to Castelldefels | 743.42 mi (1,196.41 km) |
| Sonsbeck to Castello de Ampurias | 664.41 mi (1,069.26 km) |
| Sonsbeck to Castellon de la Plana | 859.75 mi (1,383.63 km) |
| Sonsbeck to Castilleja de la Cuesta | 1,154.52 mi (1,858.02 km) |
| Sonsbeck to Catarroja | 904.07 mi (1,454.96 km) |
| Sonsbeck to Catral | 992.38 mi (1,597.08 km) |
| Sonsbeck to Caudete | 959.92 mi (1,544.85 km) |
| Sonsbeck to Cehegin | 1,014.61 mi (1,632.86 km) |
