| Montclair to Mangualde | 5,621.66 mi (9,047.19 km) |
| Montclair to Marco de Canavezes | 5,581.06 mi (8,981.85 km) |
| Montclair to Marinha Grande | 5,608.87 mi (9,026.60 km) |
| Montclair to Massama | 5,636.07 mi (9,070.37 km) |
| Montclair to Matosinhos | 5,558.39 mi (8,945.37 km) |
| Montclair to Mealhada | 5,602.45 mi (9,016.26 km) |
| Montclair to Melgaco | 5,536.90 mi (8,910.78 km) |
| Montclair to Melres | 5,575.68 mi (8,973.20 km) |
| Montclair to Mira | 5,588.53 mi (8,993.86 km) |
| Montclair to Miranda do Corvo | 5,619.29 mi (9,043.37 km) |
| Montclair to Mirandela | 5,607.80 mi (9,024.88 km) |
| Montclair to Mogadouro | 5,633.20 mi (9,065.77 km) |
| Montclair to Moimenta da Beira | 5,611.74 mi (9,031.23 km) |
| Montclair to Moita | 5,653.03 mi (9,097.67 km) |
| Montclair to Moncao | 5,530.05 mi (8,899.76 km) |
