| Rifle to Mangualde | 4,960.21 mi (7,982.68 km) |
| Rifle to Marco de Canavezes | 4,920.00 mi (7,917.97 km) |
| Rifle to Marinha Grande | 4,945.92 mi (7,959.69 km) |
| Rifle to Massama | 4,972.18 mi (8,001.95 km) |
| Rifle to Matosinhos | 4,896.98 mi (7,880.93 km) |
| Rifle to Mealhada | 4,940.35 mi (7,950.72 km) |
| Rifle to Melgaco | 4,876.87 mi (7,848.57 km) |
| Rifle to Melres | 4,914.33 mi (7,908.85 km) |
| Rifle to Mira | 4,926.32 mi (7,928.15 km) |
| Rifle to Miranda do Corvo | 4,956.98 mi (7,977.49 km) |
| Rifle to Mirandela | 4,947.75 mi (7,962.63 km) |
| Rifle to Mogadouro | 4,973.30 mi (8,003.75 km) |
| Rifle to Moimenta da Beira | 4,950.80 mi (7,967.54 km) |
| Rifle to Moita | 4,989.19 mi (8,029.33 km) |
| Rifle to Moncao | 4,869.82 mi (7,837.21 km) |
