| Oud-Beijerland to Montemor-o-Novo | 1,094.06 mi (1,760.72 km) |
| Oud-Beijerland to Montemor-o-Velho | 1,017.71 mi (1,637.85 km) |
| Oud-Beijerland to Montijo | 1,110.66 mi (1,787.44 km) |
| Oud-Beijerland to Mortagua | 989.30 mi (1,592.13 km) |
| Oud-Beijerland to Moura | 1,105.59 mi (1,779.27 km) |
| Oud-Beijerland to Murtosa | 983.77 mi (1,583.22 km) |
| Oud-Beijerland to Nazare | 1,061.61 mi (1,708.49 km) |
| Oud-Beijerland to Nelas | 973.53 mi (1,566.74 km) |
| Oud-Beijerland to Obidos | 1,078.29 mi (1,735.34 km) |
| Oud-Beijerland to Odemira | 1,169.46 mi (1,882.07 km) |
| Oud-Beijerland to Odivelas | 1,112.16 mi (1,789.85 km) |
| Oud-Beijerland to Oeiras | 1,122.32 mi (1,806.21 km) |
| Oud-Beijerland to Olhao | 1,183.50 mi (1,904.66 km) |
| Oud-Beijerland to Oliveira de Azemeis | 973.00 mi (1,565.90 km) |
| Oud-Beijerland to Oliveira de Frades | 971.51 mi (1,563.49 km) |
