| Sigmaringen to Cartagena | 888.21 mi (1,429.43 km) |
| Sigmaringen to Cartama | 1,053.58 mi (1,695.57 km) |
| Sigmaringen to Cartaya | 1,112.97 mi (1,791.15 km) |
| Sigmaringen to Caspe | 655.50 mi (1,054.92 km) |
| Sigmaringen to Cassa de la Selva | 528.19 mi (850.04 km) |
| Sigmaringen to Castalla | 821.23 mi (1,321.63 km) |
| Sigmaringen to Castellbisbal | 577.77 mi (929.83 km) |
| Sigmaringen to Castelldefels | 589.07 mi (948.01 km) |
| Sigmaringen to Castello de Ampurias | 501.31 mi (806.79 km) |
| Sigmaringen to Castellon de la Plana | 723.20 mi (1,163.88 km) |
| Sigmaringen to Castilleja de la Cuesta | 1,067.37 mi (1,717.77 km) |
| Sigmaringen to Catarroja | 767.26 mi (1,234.79 km) |
| Sigmaringen to Catral | 850.44 mi (1,368.66 km) |
| Sigmaringen to Caudete | 824.75 mi (1,327.31 km) |
| Sigmaringen to Cehegin | 884.57 mi (1,423.58 km) |
