| Oudenbosch to Montemor-o-Novo | 1,085.21 mi (1,746.47 km) |
| Oudenbosch to Montemor-o-Velho | 1,009.91 mi (1,625.30 km) |
| Oudenbosch to Montijo | 1,102.24 mi (1,773.88 km) |
| Oudenbosch to Mortagua | 981.36 mi (1,579.35 km) |
| Oudenbosch to Moura | 1,096.05 mi (1,763.92 km) |
| Oudenbosch to Murtosa | 976.27 mi (1,571.16 km) |
| Oudenbosch to Nazare | 1,053.75 mi (1,695.84 km) |
| Oudenbosch to Nelas | 965.39 mi (1,553.64 km) |
| Oudenbosch to Obidos | 1,070.36 mi (1,722.58 km) |
| Oudenbosch to Odemira | 1,160.40 mi (1,867.49 km) |
| Oudenbosch to Odivelas | 1,103.96 mi (1,776.65 km) |
| Oudenbosch to Oeiras | 1,114.15 mi (1,793.05 km) |
| Oudenbosch to Olhao | 1,173.77 mi (1,889.00 km) |
| Oudenbosch to Oliveira de Azemeis | 965.47 mi (1,553.77 km) |
| Oudenbosch to Oliveira de Frades | 963.71 mi (1,550.93 km) |
