| Sempeter pri Gorici to Cartagena | 945.54 mi (1,521.69 km) |
| Sempeter pri Gorici to Cartama | 1,137.73 mi (1,831.00 km) |
| Sempeter pri Gorici to Cartaya | 1,223.60 mi (1,969.20 km) |
| Sempeter pri Gorici to Caspe | 755.92 mi (1,216.53 km) |
| Sempeter pri Gorici to Cassa de la Selva | 603.40 mi (971.09 km) |
| Sempeter pri Gorici to Castalla | 887.77 mi (1,428.72 km) |
| Sempeter pri Gorici to Castellbisbal | 657.54 mi (1,058.22 km) |
| Sempeter pri Gorici to Castelldefels | 665.05 mi (1,070.29 km) |
| Sempeter pri Gorici to Castello de Ampurias | 581.66 mi (936.09 km) |
| Sempeter pri Gorici to Castellon de la Plana | 802.53 mi (1,291.54 km) |
| Sempeter pri Gorici to Castilleja de la Cuesta | 1,170.71 mi (1,884.07 km) |
| Sempeter pri Gorici to Catarroja | 842.10 mi (1,355.23 km) |
| Sempeter pri Gorici to Catral | 912.76 mi (1,468.94 km) |
| Sempeter pri Gorici to Caudete | 896.40 mi (1,442.62 km) |
| Sempeter pri Gorici to Cehegin | 957.12 mi (1,540.34 km) |
