| Portalegre to Oststeinbek | 1,284.12 mi (2,066.60 km) |
| Portalegre to Ottendorf-Okrilla | 1,310.69 mi (2,109.35 km) |
| Portalegre to Ottersberg | 1,232.56 mi (1,983.61 km) |
| Portalegre to Ottobrunn | 1,124.20 mi (1,809.22 km) |
| Portalegre to Ottweiler | 997.47 mi (1,605.28 km) |
| Portalegre to Overath | 1,073.34 mi (1,727.38 km) |
| Portalegre to Oyten | 1,226.75 mi (1,974.26 km) |
| Portalegre to Paderborn | 1,155.50 mi (1,859.59 km) |
| Portalegre to Papenburg | 1,180.27 mi (1,899.45 km) |
| Portalegre to Parchim | 1,330.01 mi (2,140.45 km) |
| Portalegre to Pasewalk | 1,404.29 mi (2,259.98 km) |
| Portalegre to Passau | 1,213.90 mi (1,953.58 km) |
| Portalegre to Pattensen | 1,212.87 mi (1,951.93 km) |
| Portalegre to Pegnitz | 1,174.32 mi (1,889.89 km) |
| Portalegre to Peine | 1,230.31 mi (1,980.00 km) |
