| Slovenj Gradec to Cartagena | 1,025.26 mi (1,649.99 km) |
| Slovenj Gradec to Cartama | 1,217.36 mi (1,959.16 km) |
| Slovenj Gradec to Cartaya | 1,302.44 mi (2,096.08 km) |
| Slovenj Gradec to Caspe | 834.52 mi (1,343.03 km) |
| Slovenj Gradec to Cassa de la Selva | 682.62 mi (1,098.57 km) |
| Slovenj Gradec to Castalla | 967.50 mi (1,557.04 km) |
| Slovenj Gradec to Castellbisbal | 736.76 mi (1,185.70 km) |
| Slovenj Gradec to Castelldefels | 744.40 mi (1,197.99 km) |
| Slovenj Gradec to Castello de Ampurias | 660.60 mi (1,063.14 km) |
| Slovenj Gradec to Castellon de la Plana | 882.02 mi (1,419.47 km) |
| Slovenj Gradec to Castilleja de la Cuesta | 1,249.82 mi (2,011.40 km) |
| Slovenj Gradec to Catarroja | 921.72 mi (1,483.37 km) |
| Slovenj Gradec to Catral | 992.50 mi (1,597.28 km) |
| Slovenj Gradec to Caudete | 976.10 mi (1,570.88 km) |
| Slovenj Gradec to Cehegin | 1,036.84 mi (1,668.63 km) |
