| Portalegre to Carmignano | 999.83 mi (1,609.08 km) |
| Portalegre to Carovigno | 1,326.39 mi (2,134.61 km) |
| Portalegre to Carpenedolo | 999.92 mi (1,609.21 km) |
| Portalegre to Carpi | 1,009.22 mi (1,624.18 km) |
| Portalegre to Carrara | 959.42 mi (1,544.04 km) |
| Portalegre to Carugate | 954.04 mi (1,535.38 km) |
| Portalegre to Casal di Principe | 1,140.94 mi (1,836.17 km) |
| Portalegre to Casale Monferrato | 904.10 mi (1,455.01 km) |
| Portalegre to Casale sul Sile | 1,092.64 mi (1,758.43 km) |
| Portalegre to Casalecchio di Reno | 1,022.96 mi (1,646.30 km) |
| Portalegre to Casalgrande | 998.46 mi (1,606.87 km) |
| Portalegre to Casalmaggiore | 991.12 mi (1,595.06 km) |
| Portalegre to Casalnuovo di Napoli | 1,152.41 mi (1,854.63 km) |
| Portalegre to Casalpusterlengo | 959.73 mi (1,544.54 km) |
| Portalegre to Casaluce | 1,144.44 mi (1,841.80 km) |
