| Portimao to Orthez | 599.49 mi (964.79 km) |
| Portimao to Orvault | 783.86 mi (1,261.49 km) |
| Portimao to Osny | 980.03 mi (1,577.21 km) |
| Portimao to Ostwald | 1,135.63 mi (1,827.62 km) |
| Portimao to Ouistreham | 935.52 mi (1,505.57 km) |
| Portimao to Oullins | 908.54 mi (1,462.16 km) |
| Portimao to Outreau | 1,062.14 mi (1,709.35 km) |
| Portimao to Oyonnax | 963.41 mi (1,550.46 km) |
| Portimao to Ozoir-la-Ferriere | 981.97 mi (1,580.32 km) |
| Portimao to Pace | 834.04 mi (1,342.26 km) |
| Portimao to Palaiseau | 966.18 mi (1,554.92 km) |
| Portimao to Pamiers | 676.05 mi (1,088.00 km) |
| Portimao to Panazol | 787.00 mi (1,266.55 km) |
| Portimao to Pantin | 980.46 mi (1,577.90 km) |
| Portimao to Paray-le-Monial | 913.97 mi (1,470.89 km) |
