| Leith to Mangualde | 1,082.53 mi (1,742.16 km) |
| Leith to Marco de Canavezes | 1,046.71 mi (1,684.51 km) |
| Leith to Marinha Grande | 1,151.78 mi (1,853.61 km) |
| Leith to Massama | 1,222.65 mi (1,967.67 km) |
| Leith to Matosinhos | 1,052.30 mi (1,693.52 km) |
| Leith to Mealhada | 1,103.94 mi (1,776.62 km) |
| Leith to Melgaco | 984.61 mi (1,584.57 km) |
| Leith to Melres | 1,057.09 mi (1,701.21 km) |
| Leith to Mira | 1,103.41 mi (1,775.77 km) |
| Leith to Miranda do Corvo | 1,122.05 mi (1,805.77 km) |
| Leith to Mirandela | 1,017.60 mi (1,637.67 km) |
| Leith to Mogadouro | 1,024.51 mi (1,648.79 km) |
| Leith to Moimenta da Beira | 1,055.66 mi (1,698.93 km) |
| Leith to Moita | 1,226.90 mi (1,974.50 km) |
| Leith to Moncao | 989.79 mi (1,592.91 km) |
