| Upper Montclair to Mangualde | 3,389.99 mi (5,455.66 km) |
| Upper Montclair to Marco de Canavezes | 3,355.62 mi (5,400.35 km) |
| Upper Montclair to Marinha Grande | 3,356.76 mi (5,402.19 km) |
| Upper Montclair to Massama | 3,367.93 mi (5,420.16 km) |
| Upper Montclair to Matosinhos | 3,329.23 mi (5,357.87 km) |
| Upper Montclair to Mealhada | 3,362.79 mi (5,411.89 km) |
| Upper Montclair to Melgaco | 3,325.53 mi (5,351.92 km) |
| Upper Montclair to Melres | 3,346.74 mi (5,386.06 km) |
| Upper Montclair to Mira | 3,347.73 mi (5,387.66 km) |
| Upper Montclair to Miranda do Corvo | 3,376.22 mi (5,433.51 km) |
| Upper Montclair to Mirandela | 3,393.83 mi (5,461.84 km) |
| Upper Montclair to Mogadouro | 3,420.11 mi (5,504.14 km) |
| Upper Montclair to Moimenta da Beira | 3,386.83 mi (5,450.58 km) |
| Upper Montclair to Moita | 3,385.29 mi (5,448.10 km) |
| Upper Montclair to Moncao | 3,316.50 mi (5,337.39 km) |
