| Portales to Corato | 5,978.95 mi (9,622.19 km) |
| Portales to Corbetta | 5,499.88 mi (8,851.20 km) |
| Portales to Corciano | 5,731.02 mi (9,223.19 km) |
| Portales to Cordenons | 5,616.57 mi (9,038.99 km) |
| Portales to Cori | 5,823.27 mi (9,371.65 km) |
| Portales to Coriano | 5,704.90 mi (9,181.15 km) |
| Portales to Corigliano Calabro | 6,057.82 mi (9,749.13 km) |
| Portales to Corleone | 6,015.62 mi (9,681.20 km) |
| Portales to Cormano | 5,505.67 mi (8,860.52 km) |
| Portales to Cornaredo | 5,502.83 mi (8,855.94 km) |
| Portales to Cornate d'Adda | 5,512.56 mi (8,871.61 km) |
| Portales to Cornedo Vicentino | 5,583.93 mi (8,986.46 km) |
| Portales to Correggio | 5,600.65 mi (9,013.38 km) |
| Portales to Corridonia | 5,772.08 mi (9,289.27 km) |
| Portales to Corsico | 5,508.87 mi (8,865.66 km) |
