| Oldenburg in Holstein to Montemor-o-Novo | 1,403.16 mi (2,258.17 km) |
| Oldenburg in Holstein to Montemor-o-Velho | 1,331.36 mi (2,142.62 km) |
| Oldenburg in Holstein to Montijo | 1,421.75 mi (2,288.09 km) |
| Oldenburg in Holstein to Mortagua | 1,302.48 mi (2,096.14 km) |
| Oldenburg in Holstein to Moura | 1,410.91 mi (2,270.64 km) |
| Oldenburg in Holstein to Murtosa | 1,298.43 mi (2,089.62 km) |
| Oldenburg in Holstein to Nazare | 1,374.98 mi (2,212.82 km) |
| Oldenburg in Holstein to Nelas | 1,285.95 mi (2,069.54 km) |
| Oldenburg in Holstein to Obidos | 1,391.39 mi (2,239.23 km) |
| Oldenburg in Holstein to Odemira | 1,477.37 mi (2,377.59 km) |
| Oldenburg in Holstein to Odivelas | 1,424.17 mi (2,291.99 km) |
| Oldenburg in Holstein to Oeiras | 1,434.45 mi (2,308.53 km) |
| Oldenburg in Holstein to Olhao | 1,487.44 mi (2,393.80 km) |
| Oldenburg in Holstein to Oliveira de Azemeis | 1,287.55 mi (2,072.11 km) |
| Oldenburg in Holstein to Oliveira de Frades | 1,285.18 mi (2,068.29 km) |
