| Portales to Caltagirone | 6,091.61 mi (9,803.50 km) |
| Portales to Caltanissetta | 6,061.61 mi (9,755.22 km) |
| Portales to Calvisano | 5,558.64 mi (8,945.77 km) |
| Portales to Calvizzano | 5,906.70 mi (9,505.92 km) |
| Portales to Camaiore | 5,619.63 mi (9,043.93 km) |
| Portales to Cameri | 5,488.37 mi (8,832.67 km) |
| Portales to Camisano Vicentino | 5,601.90 mi (9,015.38 km) |
| Portales to Campagna | 5,952.80 mi (9,580.11 km) |
| Portales to Campagnano di Roma | 5,780.49 mi (9,302.79 km) |
| Portales to Campi Bisenzio | 5,656.53 mi (9,103.30 km) |
| Portales to Campi Salentina | 6,075.60 mi (9,777.73 km) |
| Portales to Campiglia Marittima | 5,670.34 mi (9,125.54 km) |
| Portales to Campobasso | 5,893.88 mi (9,485.28 km) |
| Portales to Campobello di Licata | 6,066.97 mi (9,763.85 km) |
| Portales to Campobello di Mazara | 6,001.80 mi (9,658.96 km) |
