| Portalegre to Niscemi | 1,189.64 mi (1,914.54 km) |
| Portalegre to Nizza Monferrato | 890.79 mi (1,433.59 km) |
| Portalegre to Noale | 1,079.49 mi (1,737.28 km) |
| Portalegre to Nocera Inferiore | 1,167.61 mi (1,879.09 km) |
| Portalegre to Nocera Superiore | 1,169.67 mi (1,882.41 km) |
| Portalegre to Noceto | 976.89 mi (1,572.16 km) |
| Portalegre to Noci | 1,298.07 mi (2,089.04 km) |
| Portalegre to Noicattaro | 1,289.37 mi (2,075.03 km) |
| Portalegre to Nola | 1,161.94 mi (1,869.97 km) |
| Portalegre to Nonantola | 1,014.86 mi (1,633.25 km) |
| Portalegre to Noto | 1,231.62 mi (1,982.10 km) |
| Portalegre to Nova Milanese | 948.85 mi (1,527.03 km) |
| Portalegre to Novara | 919.20 mi (1,479.31 km) |
| Portalegre to Novate Milanese | 944.59 mi (1,520.17 km) |
| Portalegre to Novellara | 1,003.40 mi (1,614.81 km) |
