| Portalegre to Niederzier | 1,043.90 mi (1,680.00 km) |
| Portalegre to Niefern-Oschelbronn | 1,038.21 mi (1,670.84 km) |
| Portalegre to Nierstein | 1,060.15 mi (1,706.15 km) |
| Portalegre to Niesky | 1,352.03 mi (2,175.88 km) |
| Portalegre to Nittenau | 1,183.81 mi (1,905.16 km) |
| Portalegre to Nittendorf | 1,165.88 mi (1,876.30 km) |
| Portalegre to Nohfelden | 1,006.20 mi (1,619.32 km) |
| Portalegre to Norden | 1,202.35 mi (1,934.99 km) |
| Portalegre to Nordenham | 1,232.22 mi (1,983.06 km) |
| Portalegre to Norderstedt | 1,287.13 mi (2,071.43 km) |
| Portalegre to Nordhausen | 1,213.99 mi (1,953.73 km) |
| Portalegre to Nordhorn | 1,138.60 mi (1,832.40 km) |
| Portalegre to Nordkirchen | 1,117.92 mi (1,799.11 km) |
| Portalegre to Nordlingen | 1,101.63 mi (1,772.90 km) |
| Portalegre to Nordstemmen | 1,208.65 mi (1,945.14 km) |
