| Lakeway to Mangualde | 4,902.48 mi (7,889.78 km) |
| Lakeway to Marco de Canavezes | 4,867.70 mi (7,833.81 km) |
| Lakeway to Marinha Grande | 4,869.84 mi (7,837.24 km) |
| Lakeway to Massama | 4,880.82 mi (7,854.92 km) |
| Lakeway to Matosinhos | 4,841.48 mi (7,791.62 km) |
| Lakeway to Mealhada | 4,875.59 mi (7,846.51 km) |
| Lakeway to Melgaco | 4,836.45 mi (7,783.52 km) |
| Lakeway to Melres | 4,859.01 mi (7,819.83 km) |
| Lakeway to Mira | 4,860.56 mi (7,822.31 km) |
| Lakeway to Miranda do Corvo | 4,889.14 mi (7,868.31 km) |
| Lakeway to Mirandela | 4,905.17 mi (7,894.10 km) |
| Lakeway to Mogadouro | 4,931.45 mi (7,936.40 km) |
| Lakeway to Moimenta da Beira | 4,898.94 mi (7,884.09 km) |
| Lakeway to Moita | 4,898.18 mi (7,882.86 km) |
| Lakeway to Moncao | 4,827.59 mi (7,769.26 km) |
