| La Crescenta-Montrose to Mangualde | 5,636.09 mi (9,070.41 km) |
| La Crescenta-Montrose to Marco de Canavezes | 5,595.35 mi (9,004.84 km) |
| La Crescenta-Montrose to Marinha Grande | 5,623.93 mi (9,050.83 km) |
| La Crescenta-Montrose to Massama | 5,651.61 mi (9,095.39 km) |
| La Crescenta-Montrose to Matosinhos | 5,572.81 mi (8,968.58 km) |
| La Crescenta-Montrose to Mealhada | 5,617.13 mi (9,039.90 km) |
| La Crescenta-Montrose to Melgaco | 5,550.83 mi (8,933.21 km) |
| La Crescenta-Montrose to Melres | 5,590.08 mi (8,996.37 km) |
| La Crescenta-Montrose to Mira | 5,603.26 mi (9,017.58 km) |
| La Crescenta-Montrose to Miranda do Corvo | 5,634.06 mi (9,067.15 km) |
| La Crescenta-Montrose to Mirandela | 5,621.73 mi (9,047.30 km) |
| La Crescenta-Montrose to Mogadouro | 5,647.08 mi (9,088.10 km) |
| La Crescenta-Montrose to Moimenta da Beira | 5,625.99 mi (9,054.15 km) |
| La Crescenta-Montrose to Moita | 5,668.55 mi (9,122.64 km) |
| La Crescenta-Montrose to Moncao | 5,544.05 mi (8,922.29 km) |
