| Avenel to Mangualde | 3,400.41 mi (5,472.43 km) |
| Avenel to Marco de Canavezes | 3,366.19 mi (5,417.36 km) |
| Avenel to Marinha Grande | 3,366.78 mi (5,418.32 km) |
| Avenel to Massama | 3,377.59 mi (5,435.70 km) |
| Avenel to Matosinhos | 3,339.74 mi (5,374.79 km) |
| Avenel to Mealhada | 3,373.07 mi (5,428.43 km) |
| Avenel to Melgaco | 3,336.38 mi (5,369.39 km) |
| Avenel to Melres | 3,357.24 mi (5,402.96 km) |
| Avenel to Mira | 3,358.00 mi (5,404.18 km) |
| Avenel to Miranda do Corvo | 3,386.42 mi (5,449.92 km) |
| Avenel to Mirandela | 3,404.59 mi (5,479.15 km) |
| Avenel to Mogadouro | 3,430.87 mi (5,521.45 km) |
| Avenel to Moimenta da Beira | 3,397.39 mi (5,467.57 km) |
| Avenel to Moita | 3,394.95 mi (5,463.64 km) |
| Avenel to Moncao | 3,327.32 mi (5,354.81 km) |
