| Merosina to Mangualde | 1,518.20 mi (2,443.31 km) |
| Merosina to Marco de Canavezes | 1,526.60 mi (2,456.83 km) |
| Merosina to Marinha Grande | 1,595.18 mi (2,567.19 km) |
| Merosina to Massama | 1,635.75 mi (2,632.49 km) |
| Merosina to Matosinhos | 1,554.16 mi (2,501.18 km) |
| Merosina to Mealhada | 1,557.29 mi (2,506.21 km) |
| Merosina to Melgaco | 1,516.44 mi (2,440.48 km) |
| Merosina to Melres | 1,541.30 mi (2,480.49 km) |
| Merosina to Mira | 1,570.49 mi (2,527.45 km) |
| Merosina to Miranda do Corvo | 1,557.37 mi (2,506.35 km) |
| Merosina to Mirandela | 1,472.68 mi (2,370.04 km) |
| Merosina to Mogadouro | 1,452.04 mi (2,336.83 km) |
| Merosina to Moimenta da Beira | 1,503.50 mi (2,419.65 km) |
| Merosina to Moita | 1,623.75 mi (2,613.18 km) |
| Merosina to Moncao | 1,527.77 mi (2,458.71 km) |
