| Portalegre to Orthez | 448.85 mi (722.35 km) |
| Portalegre to Orvault | 621.67 mi (1,000.48 km) |
| Portalegre to Osny | 819.38 mi (1,318.67 km) |
| Portalegre to Ostwald | 983.67 mi (1,583.07 km) |
| Portalegre to Ouistreham | 773.19 mi (1,244.33 km) |
| Portalegre to Oullins | 762.21 mi (1,226.66 km) |
| Portalegre to Outreau | 900.00 mi (1,448.40 km) |
| Portalegre to Oyonnax | 816.37 mi (1,313.83 km) |
| Portalegre to Ozoir-la-Ferriere | 822.36 mi (1,323.45 km) |
| Portalegre to Pace | 671.60 mi (1,080.84 km) |
| Portalegre to Palaiseau | 806.16 mi (1,297.39 km) |
| Portalegre to Pamiers | 537.22 mi (864.57 km) |
| Portalegre to Panazol | 631.89 mi (1,016.92 km) |
| Portalegre to Pantin | 820.37 mi (1,320.25 km) |
| Portalegre to Paray-le-Monial | 762.87 mi (1,227.72 km) |
