| Boortmeerbeek to Montemor-o-Novo | 1,054.46 mi (1,696.99 km) |
| Boortmeerbeek to Montemor-o-Velho | 981.43 mi (1,579.47 km) |
| Boortmeerbeek to Montijo | 1,072.38 mi (1,725.82 km) |
| Boortmeerbeek to Mortagua | 952.61 mi (1,533.07 km) |
| Boortmeerbeek to Moura | 1,063.90 mi (1,712.18 km) |
| Boortmeerbeek to Murtosa | 948.46 mi (1,526.39 km) |
| Boortmeerbeek to Nazare | 1,025.09 mi (1,649.73 km) |
| Boortmeerbeek to Nelas | 936.20 mi (1,506.67 km) |
| Boortmeerbeek to Obidos | 1,041.55 mi (1,676.21 km) |
| Boortmeerbeek to Odemira | 1,129.19 mi (1,817.26 km) |
| Boortmeerbeek to Odivelas | 1,074.55 mi (1,729.32 km) |
| Boortmeerbeek to Oeiras | 1,084.81 mi (1,745.83 km) |
| Boortmeerbeek to Olhao | 1,141.20 mi (1,836.58 km) |
| Boortmeerbeek to Oliveira de Azemeis | 937.57 mi (1,508.88 km) |
| Boortmeerbeek to Oliveira de Frades | 935.24 mi (1,505.12 km) |
