| Portalegre to Cortona | 1,041.11 mi (1,675.51 km) |
| Portalegre to Cosenza | 1,261.60 mi (2,030.34 km) |
| Portalegre to Cossato | 902.14 mi (1,451.85 km) |
| Portalegre to Costa Volpino | 995.48 mi (1,602.07 km) |
| Portalegre to Creazzo | 1,051.96 mi (1,692.97 km) |
| Portalegre to Crema | 965.57 mi (1,553.93 km) |
| Portalegre to Cremona | 976.46 mi (1,571.46 km) |
| Portalegre to Crevalcore | 1,020.63 mi (1,642.54 km) |
| Portalegre to Crispiano | 1,304.22 mi (2,098.94 km) |
| Portalegre to Crosia | 1,286.61 mi (2,070.59 km) |
| Portalegre to Crotone | 1,309.65 mi (2,107.68 km) |
| Portalegre to Cuneo | 844.44 mi (1,358.99 km) |
| Portalegre to Cuorgne | 874.30 mi (1,407.05 km) |
| Portalegre to Cusano Milanino | 947.27 mi (1,524.48 km) |
| Portalegre to Cutro | 1,303.05 mi (2,097.06 km) |
