| Sankt Augustin to Cartagena | 994.44 mi (1,600.40 km) |
| Sankt Augustin to Cartama | 1,133.29 mi (1,823.86 km) |
| Sankt Augustin to Cartaya | 1,168.50 mi (1,880.52 km) |
| Sankt Augustin to Caspe | 743.64 mi (1,196.78 km) |
| Sankt Augustin to Cassa de la Selva | 646.88 mi (1,041.06 km) |
| Sankt Augustin to Castalla | 924.18 mi (1,487.33 km) |
| Sankt Augustin to Castellbisbal | 688.34 mi (1,107.78 km) |
| Sankt Augustin to Castelldefels | 701.27 mi (1,128.59 km) |
| Sankt Augustin to Castello de Ampurias | 619.50 mi (997.00 km) |
| Sankt Augustin to Castellon de la Plana | 822.62 mi (1,323.87 km) |
| Sankt Augustin to Castilleja de la Cuesta | 1,130.82 mi (1,819.88 km) |
| Sankt Augustin to Catarroja | 867.22 mi (1,395.65 km) |
| Sankt Augustin to Catral | 954.94 mi (1,536.82 km) |
| Sankt Augustin to Caudete | 923.83 mi (1,486.76 km) |
| Sankt Augustin to Cehegin | 980.04 mi (1,577.23 km) |
