| Portimao to Corato | 1,359.86 mi (2,188.48 km) |
| Portimao to Corbetta | 1,069.83 mi (1,721.72 km) |
| Portimao to Corciano | 1,171.47 mi (1,885.30 km) |
| Portimao to Cordenons | 1,251.03 mi (2,013.34 km) |
| Portimao to Cori | 1,183.54 mi (1,904.72 km) |
| Portimao to Coriano | 1,201.49 mi (1,933.61 km) |
| Portimao to Corigliano Calabro | 1,363.42 mi (2,194.21 km) |
| Portimao to Corleone | 1,195.64 mi (1,924.20 km) |
| Portimao to Cormano | 1,083.23 mi (1,743.29 km) |
| Portimao to Cornaredo | 1,075.91 mi (1,731.51 km) |
| Portimao to Cornate d'Adda | 1,099.29 mi (1,769.14 km) |
| Portimao to Cornedo Vicentino | 1,181.25 mi (1,901.04 km) |
| Portimao to Correggio | 1,133.82 mi (1,824.70 km) |
| Portimao to Corridonia | 1,233.81 mi (1,985.63 km) |
| Portimao to Corsico | 1,077.51 mi (1,734.09 km) |
