| Marinha Grande to Orthez | 494.09 mi (795.15 km) |
| Marinha Grande to Orvault | 635.21 mi (1,022.27 km) |
| Marinha Grande to Osny | 839.85 mi (1,351.61 km) |
| Marinha Grande to Ostwald | 1,021.47 mi (1,643.90 km) |
| Marinha Grande to Ouistreham | 783.81 mi (1,261.42 km) |
| Marinha Grande to Oullins | 808.45 mi (1,301.07 km) |
| Marinha Grande to Outreau | 911.93 mi (1,467.62 km) |
| Marinha Grande to Oyonnax | 861.40 mi (1,386.29 km) |
| Marinha Grande to Ozoir-la-Ferriere | 846.23 mi (1,361.87 km) |
| Marinha Grande to Pace | 680.12 mi (1,094.55 km) |
| Marinha Grande to Palaiseau | 828.89 mi (1,333.96 km) |
| Marinha Grande to Pamiers | 593.11 mi (954.51 km) |
| Marinha Grande to Panazol | 667.43 mi (1,074.13 km) |
| Marinha Grande to Pantin | 842.75 mi (1,356.28 km) |
| Marinha Grande to Paray-le-Monial | 803.31 mi (1,292.81 km) |
