| Longwood to Mangualde | 4,142.31 mi (6,666.41 km) |
| Longwood to Marco de Canavezes | 4,113.33 mi (6,619.77 km) |
| Longwood to Marinha Grande | 4,095.93 mi (6,591.76 km) |
| Longwood to Massama | 4,094.35 mi (6,589.22 km) |
| Longwood to Matosinhos | 4,085.45 mi (6,574.90 km) |
| Longwood to Mealhada | 4,110.66 mi (6,615.47 km) |
| Longwood to Melgaco | 4,093.23 mi (6,587.42 km) |
| Longwood to Melres | 4,102.47 mi (6,602.28 km) |
| Longwood to Mira | 4,095.36 mi (6,590.85 km) |
| Longwood to Miranda do Corvo | 4,121.20 mi (6,632.43 km) |
| Longwood to Mirandela | 4,157.46 mi (6,690.79 km) |
| Longwood to Mogadouro | 4,183.35 mi (6,732.45 km) |
| Longwood to Moimenta da Beira | 4,143.75 mi (6,668.72 km) |
| Longwood to Moita | 4,111.38 mi (6,616.63 km) |
| Longwood to Moncao | 4,083.20 mi (6,571.27 km) |
