| West Mifflin to Mangualde | 3,676.74 mi (5,917.14 km) |
| West Mifflin to Marco de Canavezes | 3,641.51 mi (5,860.45 km) |
| West Mifflin to Marinha Grande | 3,645.80 mi (5,867.34 km) |
| West Mifflin to Massama | 3,658.82 mi (5,888.30 km) |
| West Mifflin to Matosinhos | 3,615.47 mi (5,818.53 km) |
| West Mifflin to Mealhada | 3,650.39 mi (5,874.74 km) |
| West Mifflin to Melgaco | 3,609.60 mi (5,809.09 km) |
| West Mifflin to Melres | 3,633.02 mi (5,846.77 km) |
| West Mifflin to Mira | 3,635.42 mi (5,850.64 km) |
| West Mifflin to Miranda do Corvo | 3,664.27 mi (5,897.07 km) |
| West Mifflin to Mirandela | 3,678.48 mi (5,919.94 km) |
| West Mifflin to Mogadouro | 3,704.76 mi (5,962.23 km) |
| West Mifflin to Moimenta da Beira | 3,672.77 mi (5,910.75 km) |
| West Mifflin to Moita | 3,676.18 mi (5,916.25 km) |
| West Mifflin to Moncao | 3,600.80 mi (5,794.93 km) |
