| Aver-o-Mar to Marco de Canavezes | 35.57 mi (57.24 km) |
| Aver-o-Mar to Marinha Grande | 114.60 mi (184.43 km) |
| Aver-o-Mar to Massama | 184.84 mi (297.47 km) |
| Aver-o-Mar to Matosinhos | 15.66 mi (25.20 km) |
| Aver-o-Mar to Mealhada | 72.46 mi (116.61 km) |
| Aver-o-Mar to Melgaco | 55.64 mi (89.54 km) |
| Aver-o-Mar to Melres | 30.17 mi (48.56 km) |
| Aver-o-Mar to Mira | 67.09 mi (107.97 km) |
| Aver-o-Mar to Miranda do Corvo | 92.93 mi (149.56 km) |
| Aver-o-Mar to Mirandela | 82.40 mi (132.61 km) |
| Aver-o-Mar to Mogadouro | 106.53 mi (171.44 km) |
| Aver-o-Mar to Moimenta da Beira | 66.84 mi (107.57 km) |
| Aver-o-Mar to Moita | 190.61 mi (306.76 km) |
| Aver-o-Mar to Moncao | 48.59 mi (78.20 km) |
| Aver-o-Mar to Montalegre | 58.20 mi (93.67 km) |
