| Cunit to Mangualde | 492.14 mi (792.02 km) |
| Cunit to Marco de Canavezes | 508.47 mi (818.31 km) |
| Cunit to Marinha Grande | 564.00 mi (907.67 km) |
| Cunit to Massama | 601.25 mi (967.61 km) |
| Cunit to Matosinhos | 537.02 mi (864.25 km) |
| Cunit to Mealhada | 530.22 mi (853.30 km) |
| Cunit to Melgaco | 514.75 mi (828.41 km) |
| Cunit to Melres | 521.99 mi (840.06 km) |
| Cunit to Mira | 544.38 mi (876.10 km) |
| Cunit to Miranda do Corvo | 527.71 mi (849.26 km) |
| Cunit to Mirandela | 457.57 mi (736.38 km) |
| Cunit to Mogadouro | 433.65 mi (697.90 km) |
| Cunit to Moimenta da Beira | 481.60 mi (775.07 km) |
| Cunit to Moita | 589.05 mi (947.98 km) |
| Cunit to Moncao | 525.49 mi (845.69 km) |
