| Salem Lakes to Mangualde | 3,990.25 mi (6,421.69 km) |
| Salem Lakes to Marco de Canavezes | 3,952.42 mi (6,360.80 km) |
| Salem Lakes to Marinha Grande | 3,967.32 mi (6,384.78 km) |
| Salem Lakes to Massama | 3,987.01 mi (6,416.47 km) |
| Salem Lakes to Matosinhos | 3,927.70 mi (6,321.03 km) |
| Salem Lakes to Mealhada | 3,966.93 mi (6,384.16 km) |
| Salem Lakes to Melgaco | 3,914.92 mi (6,300.46 km) |
| Salem Lakes to Melres | 3,945.25 mi (6,349.27 km) |
| Salem Lakes to Mira | 3,952.34 mi (6,360.68 km) |
| Salem Lakes to Miranda do Corvo | 3,982.23 mi (6,408.78 km) |
| Salem Lakes to Mirandela | 3,985.16 mi (6,413.49 km) |
| Salem Lakes to Mogadouro | 4,011.24 mi (6,455.46 km) |
| Salem Lakes to Moimenta da Beira | 3,983.63 mi (6,411.03 km) |
| Salem Lakes to Moita | 4,004.27 mi (6,444.25 km) |
| Salem Lakes to Moncao | 3,906.91 mi (6,287.56 km) |
