| Portimao to Carmignano | 1,123.00 mi (1,807.30 km) |
| Portimao to Carovigno | 1,424.57 mi (2,292.62 km) |
| Portimao to Carpenedolo | 1,133.55 mi (1,824.28 km) |
| Portimao to Carpi | 1,138.77 mi (1,832.67 km) |
| Portimao to Carrara | 1,085.61 mi (1,747.13 km) |
| Portimao to Carugate | 1,090.47 mi (1,754.94 km) |
| Portimao to Casal di Principe | 1,241.46 mi (1,997.93 km) |
| Portimao to Casale Monferrato | 1,039.68 mi (1,673.20 km) |
| Portimao to Casale sul Sile | 1,224.91 mi (1,971.31 km) |
| Portimao to Casalecchio di Reno | 1,150.12 mi (1,850.93 km) |
| Portimao to Casalgrande | 1,126.99 mi (1,813.72 km) |
| Portimao to Casalmaggiore | 1,122.58 mi (1,806.61 km) |
| Portimao to Casalnuovo di Napoli | 1,252.14 mi (2,015.13 km) |
| Portimao to Casalpusterlengo | 1,093.52 mi (1,759.85 km) |
| Portimao to Casaluce | 1,244.82 mi (2,003.34 km) |
