| Portimao to Campodarsego | 1,203.62 mi (1,937.04 km) |
| Portimao to Campogalliano | 1,134.79 mi (1,826.27 km) |
| Portimao to Campolongo Maggiore | 1,205.50 mi (1,940.07 km) |
| Portimao to Camponogara | 1,207.49 mi (1,943.27 km) |
| Portimao to Camposampiero | 1,206.06 mi (1,940.97 km) |
| Portimao to Canegrate | 1,073.63 mi (1,727.85 km) |
| Portimao to Canelli | 1,020.03 mi (1,641.58 km) |
| Portimao to Canicatti | 1,228.50 mi (1,977.07 km) |
| Portimao to Canosa di Puglia | 1,342.87 mi (2,161.14 km) |
| Portimao to Cantu | 1,087.44 mi (1,750.07 km) |
| Portimao to Caorle | 1,249.78 mi (2,011.33 km) |
| Portimao to Capaci | 1,190.38 mi (1,915.73 km) |
| Portimao to Capannori | 1,102.37 mi (1,774.10 km) |
| Portimao to Capena | 1,170.09 mi (1,883.08 km) |
| Portimao to Capo d'Orlando | 1,271.77 mi (2,046.72 km) |
