| Goodlettsville to Mangualde | 4,132.25 mi (6,650.21 km) |
| Goodlettsville to Marco de Canavezes | 4,097.62 mi (6,594.49 km) |
| Goodlettsville to Marinha Grande | 4,099.43 mi (6,597.40 km) |
| Goodlettsville to Massama | 4,110.58 mi (6,615.34 km) |
| Goodlettsville to Matosinhos | 4,071.34 mi (6,552.18 km) |
| Goodlettsville to Mealhada | 4,105.25 mi (6,606.77 km) |
| Goodlettsville to Melgaco | 4,066.83 mi (6,544.93 km) |
| Goodlettsville to Melres | 4,088.86 mi (6,580.39 km) |
| Goodlettsville to Mira | 4,090.21 mi (6,582.56 km) |
| Goodlettsville to Miranda do Corvo | 4,118.77 mi (6,628.51 km) |
| Goodlettsville to Mirandela | 4,135.38 mi (6,655.25 km) |
| Goodlettsville to Mogadouro | 4,161.67 mi (6,697.55 km) |
| Goodlettsville to Moimenta da Beira | 4,128.85 mi (6,644.75 km) |
| Goodlettsville to Moita | 4,127.94 mi (6,643.28 km) |
| Goodlettsville to Moncao | 4,057.90 mi (6,530.56 km) |
