| Porto de Mos to Mangualde | 88.96 mi (143.17 km) |
| Porto de Mos to Marco de Canavezes | 114.78 mi (184.73 km) |
| Porto de Mos to Marinha Grande | 11.95 mi (19.24 km) |
| Porto de Mos to Massama | 63.31 mi (101.88 km) |
| Porto de Mos to Matosinhos | 109.45 mi (176.15 km) |
| Porto de Mos to Mealhada | 57.40 mi (92.38 km) |
| Porto de Mos to Melgaco | 176.14 mi (283.46 km) |
| Porto de Mos to Melres | 103.58 mi (166.70 km) |
| Porto de Mos to Mira | 57.63 mi (92.75 km) |
| Porto de Mos to Miranda do Corvo | 42.95 mi (69.13 km) |
| Porto de Mos to Mirandela | 155.92 mi (250.93 km) |
| Porto de Mos to Mogadouro | 162.80 mi (262.01 km) |
| Porto de Mos to Moimenta da Beira | 114.41 mi (184.13 km) |
| Porto de Mos to Moita | 66.35 mi (106.79 km) |
| Porto de Mos to Moncao | 171.68 mi (276.29 km) |
