| Santa Margarita de Mombuy to Mangualde | 492.29 mi (792.27 km) |
| Santa Margarita de Mombuy to Marco de Canavezes | 506.41 mi (814.99 km) |
| Santa Margarita de Mombuy to Marinha Grande | 566.36 mi (911.47 km) |
| Santa Margarita de Mombuy to Massama | 606.26 mi (975.68 km) |
| Santa Margarita de Mombuy to Matosinhos | 534.84 mi (860.74 km) |
| Santa Margarita de Mombuy to Mealhada | 530.81 mi (854.26 km) |
| Santa Margarita de Mombuy to Melgaco | 509.40 mi (819.80 km) |
| Santa Margarita de Mombuy to Melres | 520.28 mi (837.31 km) |
| Santa Margarita de Mombuy to Mira | 544.68 mi (876.58 km) |
| Santa Margarita de Mombuy to Miranda do Corvo | 529.32 mi (851.85 km) |
| Santa Margarita de Mombuy to Mirandela | 454.54 mi (731.52 km) |
| Santa Margarita de Mombuy to Mogadouro | 431.31 mi (694.12 km) |
| Santa Margarita de Mombuy to Moimenta da Beira | 480.43 mi (773.18 km) |
| Santa Margarita de Mombuy to Moita | 594.61 mi (956.93 km) |
| Santa Margarita de Mombuy to Moncao | 520.30 mi (837.35 km) |
