| Portales to Cervignano del Friuli | 5,646.78 mi (9,087.61 km) |
| Portales to Cesa | 5,905.50 mi (9,503.99 km) |
| Portales to Cesano Maderno | 5,501.37 mi (8,853.59 km) |
| Portales to Cesena | 5,683.78 mi (9,147.16 km) |
| Portales to Cesenatico | 5,686.59 mi (9,151.69 km) |
| Portales to Cetraro | 6,040.88 mi (9,721.85 km) |
| Portales to Cherasco | 5,495.05 mi (8,843.43 km) |
| Portales to Chiampo | 5,584.46 mi (8,987.31 km) |
| Portales to Chiaravalle | 5,749.07 mi (9,252.24 km) |
| Portales to Chiari | 5,533.85 mi (8,905.87 km) |
| Portales to Chiavari | 5,565.81 mi (8,957.31 km) |
| Portales to Chieri | 5,477.76 mi (8,815.61 km) |
| Portales to Chieti | 5,838.30 mi (9,395.83 km) |
| Portales to Chioggia | 5,635.96 mi (9,070.21 km) |
| Portales to Chiusi | 5,723.67 mi (9,211.35 km) |
