| Portalegre to Castelfidardo | 1,120.42 mi (1,803.14 km) |
| Portalegre to Castelfiorentino | 994.43 mi (1,600.38 km) |
| Portalegre to Castelfranco di Sopra | 1,023.81 mi (1,647.67 km) |
| Portalegre to Castelfranco di Sotto | 985.16 mi (1,585.47 km) |
| Portalegre to Castelfranco Emilia | 1,013.89 mi (1,631.70 km) |
| Portalegre to Castelfranco Veneto | 1,075.47 mi (1,730.80 km) |
| Portalegre to Castellabate | 1,186.19 mi (1,908.99 km) |
| Portalegre to Castellammare del Golfo | 1,096.23 mi (1,764.21 km) |
| Portalegre to Castellammare di Stabia | 1,159.77 mi (1,866.47 km) |
| Portalegre to Castellamonte | 876.87 mi (1,411.18 km) |
| Portalegre to Castellana Grotte | 1,299.47 mi (2,091.29 km) |
| Portalegre to Castellaneta | 1,288.37 mi (2,073.42 km) |
| Portalegre to Castellanza | 936.21 mi (1,506.69 km) |
| Portalegre to Castellarano | 1,000.54 mi (1,610.21 km) |
| Portalegre to Castelleone | 967.50 mi (1,557.03 km) |
