| Warren to Mangualde | 3,759.18 mi (6,049.82 km) |
| Warren to Marco de Canavezes | 3,722.25 mi (5,990.39 km) |
| Warren to Marinha Grande | 3,733.34 mi (6,008.23 km) |
| Warren to Massama | 3,750.72 mi (6,036.19 km) |
| Warren to Matosinhos | 3,697.02 mi (5,949.78 km) |
| Warren to Mealhada | 3,734.74 mi (6,010.48 km) |
| Warren to Melgaco | 3,686.77 mi (5,933.29 km) |
| Warren to Melres | 3,714.59 mi (5,978.06 km) |
| Warren to Mira | 3,719.99 mi (5,986.75 km) |
| Warren to Miranda do Corvo | 3,749.54 mi (6,034.30 km) |
| Warren to Mirandela | 3,756.59 mi (6,045.65 km) |
| Warren to Mogadouro | 3,782.78 mi (6,087.79 km) |
| Warren to Moimenta da Beira | 3,753.52 mi (6,040.70 km) |
| Warren to Moita | 3,768.03 mi (6,064.06 km) |
| Warren to Moncao | 3,678.46 mi (5,919.91 km) |
