| Ober-Ramstadt to Montemor-o-Novo | 1,136.32 mi (1,828.73 km) |
| Ober-Ramstadt to Montemor-o-Velho | 1,077.88 mi (1,734.68 km) |
| Ober-Ramstadt to Montijo | 1,159.36 mi (1,865.80 km) |
| Ober-Ramstadt to Mortagua | 1,048.03 mi (1,686.64 km) |
| Ober-Ramstadt to Moura | 1,136.44 mi (1,828.92 km) |
| Ober-Ramstadt to Murtosa | 1,049.10 mi (1,688.36 km) |
| Ober-Ramstadt to Nazare | 1,119.83 mi (1,802.20 km) |
| Ober-Ramstadt to Nelas | 1,029.55 mi (1,656.90 km) |
| Ober-Ramstadt to Obidos | 1,135.12 mi (1,826.80 km) |
| Ober-Ramstadt to Odemira | 1,206.91 mi (1,942.34 km) |
| Ober-Ramstadt to Odivelas | 1,164.21 mi (1,873.62 km) |
| Ober-Ramstadt to Oeiras | 1,174.66 mi (1,890.43 km) |
| Ober-Ramstadt to Olhao | 1,209.59 mi (1,946.65 km) |
| Ober-Ramstadt to Oliveira de Azemeis | 1,038.01 mi (1,670.52 km) |
| Ober-Ramstadt to Oliveira de Frades | 1,032.63 mi (1,661.85 km) |
