| Schwabisch Gmund to Cartagena | 943.35 mi (1,518.17 km) |
| Schwabisch Gmund to Cartama | 1,106.88 mi (1,781.35 km) |
| Schwabisch Gmund to Cartaya | 1,163.77 mi (1,872.91 km) |
| Schwabisch Gmund to Caspe | 708.78 mi (1,140.67 km) |
| Schwabisch Gmund to Cassa de la Selva | 583.50 mi (939.06 km) |
| Schwabisch Gmund to Castalla | 876.08 mi (1,409.91 km) |
| Schwabisch Gmund to Castellbisbal | 632.69 mi (1,018.22 km) |
| Schwabisch Gmund to Castelldefels | 644.13 mi (1,036.62 km) |
| Schwabisch Gmund to Castello de Ampurias | 556.53 mi (895.65 km) |
| Schwabisch Gmund to Castellon de la Plana | 777.64 mi (1,251.48 km) |
| Schwabisch Gmund to Castilleja de la Cuesta | 1,119.02 mi (1,800.89 km) |
| Schwabisch Gmund to Catarroja | 821.82 mi (1,322.59 km) |
| Schwabisch Gmund to Catral | 905.43 mi (1,457.15 km) |
| Schwabisch Gmund to Caudete | 879.33 mi (1,415.15 km) |
| Schwabisch Gmund to Cehegin | 938.97 mi (1,511.13 km) |
