| Oraiokastro to Marco de Canavezes | 1,612.63 mi (2,595.28 km) |
| Oraiokastro to Marinha Grande | 1,671.93 mi (2,690.72 km) |
| Oraiokastro to Massama | 1,706.05 mi (2,745.63 km) |
| Oraiokastro to Matosinhos | 1,640.85 mi (2,640.70 km) |
| Oraiokastro to Mealhada | 1,637.88 mi (2,635.91 km) |
| Oraiokastro to Melgaco | 1,609.39 mi (2,590.06 km) |
| Oraiokastro to Melres | 1,626.79 mi (2,618.06 km) |
| Oraiokastro to Mira | 1,651.83 mi (2,658.37 km) |
| Oraiokastro to Miranda do Corvo | 1,635.74 mi (2,632.47 km) |
| Oraiokastro to Mirandela | 1,559.82 mi (2,510.28 km) |
| Oraiokastro to Mogadouro | 1,537.48 mi (2,474.33 km) |
| Oraiokastro to Moimenta da Beira | 1,587.36 mi (2,554.62 km) |
| Oraiokastro to Moita | 1,692.78 mi (2,724.26 km) |
| Oraiokastro to Moncao | 1,620.62 mi (2,608.13 km) |
| Oraiokastro to Montalegre | 1,587.80 mi (2,555.32 km) |
