| Lake Morton-Berrydale to Mangualde | 5,150.64 mi (8,289.15 km) |
| Lake Morton-Berrydale to Marco de Canavezes | 5,106.93 mi (8,218.81 km) |
| Lake Morton-Berrydale to Marinha Grande | 5,156.00 mi (8,297.78 km) |
| Lake Morton-Berrydale to Massama | 5,196.57 mi (8,363.07 km) |
| Lake Morton-Berrydale to Matosinhos | 5,088.44 mi (8,189.06 km) |
| Lake Morton-Berrydale to Mealhada | 5,139.07 mi (8,270.54 km) |
| Lake Morton-Berrydale to Melgaco | 5,053.82 mi (8,133.34 km) |
| Lake Morton-Berrydale to Melres | 5,104.69 mi (8,215.20 km) |
| Lake Morton-Berrydale to Mira | 5,126.81 mi (8,250.81 km) |
| Lake Morton-Berrydale to Miranda do Corvo | 5,158.01 mi (8,301.02 km) |
| Lake Morton-Berrydale to Mirandela | 5,123.17 mi (8,244.94 km) |
| Lake Morton-Berrydale to Mogadouro | 5,146.62 mi (8,282.68 km) |
| Lake Morton-Berrydale to Moimenta da Beira | 5,135.66 mi (8,265.05 km) |
| Lake Morton-Berrydale to Moita | 5,212.35 mi (8,388.46 km) |
| Lake Morton-Berrydale to Moncao | 5,049.01 mi (8,125.60 km) |
