| Morpeth to Montalegre | 962.49 mi (1,548.97 km) |
| Morpeth to Montemor-o-Novo | 1,180.83 mi (1,900.36 km) |
| Morpeth to Montemor-o-Velho | 1,085.00 mi (1,746.14 km) |
| Morpeth to Montijo | 1,187.13 mi (1,910.51 km) |
| Morpeth to Mortagua | 1,061.21 mi (1,707.85 km) |
| Morpeth to Moura | 1,207.22 mi (1,942.83 km) |
| Morpeth to Murtosa | 1,046.52 mi (1,684.21 km) |
| Morpeth to Nazare | 1,128.08 mi (1,815.47 km) |
| Morpeth to Nelas | 1,050.79 mi (1,691.08 km) |
| Morpeth to Obidos | 1,145.48 mi (1,843.48 km) |
| Morpeth to Odemira | 1,257.71 mi (2,024.09 km) |
| Morpeth to Odivelas | 1,183.71 mi (1,904.99 km) |
| Morpeth to Oeiras | 1,192.73 mi (1,919.52 km) |
| Morpeth to Olhao | 1,286.41 mi (2,070.27 km) |
| Morpeth to Oliveira de Azemeis | 1,037.23 mi (1,669.26 km) |
