| Portimao to Cervignano del Friuli | 1,275.57 mi (2,052.83 km) |
| Portimao to Cesa | 1,246.35 mi (2,005.81 km) |
| Portimao to Cesano Maderno | 1,084.79 mi (1,745.80 km) |
| Portimao to Cesena | 1,187.90 mi (1,911.73 km) |
| Portimao to Cesenatico | 1,196.24 mi (1,925.15 km) |
| Portimao to Cetraro | 1,333.32 mi (2,145.78 km) |
| Portimao to Cherasco | 999.02 mi (1,607.77 km) |
| Portimao to Chiampo | 1,176.50 mi (1,893.39 km) |
| Portimao to Chiaravalle | 1,230.36 mi (1,980.08 km) |
| Portimao to Chiari | 1,113.62 mi (1,792.20 km) |
| Portimao to Chiavari | 1,055.95 mi (1,699.39 km) |
| Portimao to Chieri | 1,008.21 mi (1,622.56 km) |
| Portimao to Chieti | 1,254.53 mi (2,018.97 km) |
| Portimao to Chioggia | 1,213.19 mi (1,952.44 km) |
| Portimao to Chiusi | 1,153.22 mi (1,855.93 km) |
