| Montemor-o-Velho to Orthez | 467.27 mi (752.01 km) |
| Montemor-o-Velho to Orvault | 603.85 mi (971.81 km) |
| Montemor-o-Velho to Osny | 808.85 mi (1,301.73 km) |
| Montemor-o-Velho to Ostwald | 992.46 mi (1,597.21 km) |
| Montemor-o-Velho to Ouistreham | 752.26 mi (1,210.65 km) |
| Montemor-o-Velho to Oullins | 781.24 mi (1,257.28 km) |
| Montemor-o-Velho to Outreau | 880.41 mi (1,416.89 km) |
| Montemor-o-Velho to Oyonnax | 833.87 mi (1,341.98 km) |
| Montemor-o-Velho to Ozoir-la-Ferriere | 815.53 mi (1,312.47 km) |
| Montemor-o-Velho to Pace | 648.53 mi (1,043.71 km) |
| Montemor-o-Velho to Palaiseau | 798.09 mi (1,284.40 km) |
| Montemor-o-Velho to Pamiers | 568.78 mi (915.37 km) |
| Montemor-o-Velho to Panazol | 638.37 mi (1,027.36 km) |
| Montemor-o-Velho to Pantin | 811.92 mi (1,306.65 km) |
| Montemor-o-Velho to Paray-le-Monial | 774.94 mi (1,247.14 km) |
