| Osecina to Mangualde | 1,411.28 mi (2,271.23 km) |
| Osecina to Marco de Canavezes | 1,417.48 mi (2,281.22 km) |
| Osecina to Marinha Grande | 1,490.04 mi (2,397.99 km) |
| Osecina to Massama | 1,533.52 mi (2,467.96 km) |
| Osecina to Matosinhos | 1,444.64 mi (2,324.93 km) |
| Osecina to Mealhada | 1,450.51 mi (2,334.37 km) |
| Osecina to Melgaco | 1,404.34 mi (2,260.06 km) |
| Osecina to Melres | 1,432.37 mi (2,305.18 km) |
| Osecina to Mira | 1,463.31 mi (2,354.97 km) |
| Osecina to Miranda do Corvo | 1,451.63 mi (2,336.17 km) |
| Osecina to Mirandela | 1,363.27 mi (2,193.97 km) |
| Osecina to Mogadouro | 1,343.48 mi (2,162.13 km) |
| Osecina to Moimenta da Beira | 1,395.45 mi (2,245.76 km) |
| Osecina to Moita | 1,522.18 mi (2,449.72 km) |
| Osecina to Moncao | 1,415.68 mi (2,278.31 km) |
