| Portales to Castrovillari | 6,035.31 mi (9,712.90 km) |
| Portales to Catania | 6,102.36 mi (9,820.80 km) |
| Portales to Catanzaro | 6,094.71 mi (9,808.49 km) |
| Portales to Cattolica | 5,709.87 mi (9,189.15 km) |
| Portales to Cava de' Tirreni | 5,935.92 mi (9,552.95 km) |
| Portales to Cavallino | 6,086.49 mi (9,795.26 km) |
| Portales to Cavarzere | 5,632.46 mi (9,064.57 km) |
| Portales to Cave | 5,816.14 mi (9,360.17 km) |
| Portales to Cavriago | 5,594.43 mi (9,003.37 km) |
| Portales to Cavriglia | 5,683.30 mi (9,146.38 km) |
| Portales to Cazzago San Martino | 5,536.44 mi (8,910.04 km) |
| Portales to Ceccano | 5,843.03 mi (9,403.45 km) |
| Portales to Cecina | 5,655.35 mi (9,101.40 km) |
| Portales to Cefalu | 6,034.34 mi (9,711.33 km) |
| Portales to Ceglie Messapico | 6,044.18 mi (9,727.17 km) |
