| Oraiokastro to Montemor-o-Novo | 1,652.82 mi (2,659.96 km) |
| Oraiokastro to Montemor-o-Velho | 1,652.90 mi (2,660.09 km) |
| Oraiokastro to Montijo | 1,687.84 mi (2,716.32 km) |
| Oraiokastro to Mortagua | 1,626.03 mi (2,616.84 km) |
| Oraiokastro to Moura | 1,622.31 mi (2,610.85 km) |
| Oraiokastro to Murtosa | 1,642.80 mi (2,643.83 km) |
| Oraiokastro to Nazare | 1,681.16 mi (2,705.56 km) |
| Oraiokastro to Nelas | 1,605.16 mi (2,583.25 km) |
| Oraiokastro to Obidos | 1,689.74 mi (2,719.37 km) |
| Oraiokastro to Odemira | 1,695.03 mi (2,727.89 km) |
| Oraiokastro to Odivelas | 1,700.51 mi (2,736.70 km) |
| Oraiokastro to Oeiras | 1,709.55 mi (2,751.25 km) |
| Oraiokastro to Olhao | 1,665.36 mi (2,680.15 km) |
| Oraiokastro to Oliveira de Azemeis | 1,633.33 mi (2,628.59 km) |
| Oraiokastro to Oliveira de Frades | 1,619.83 mi (2,606.86 km) |
