| Stallings to Mangualde | 3,879.92 mi (6,244.12 km) |
| Stallings to Marco de Canavezes | 3,847.45 mi (6,191.87 km) |
| Stallings to Marinha Grande | 3,841.56 mi (6,182.39 km) |
| Stallings to Massama | 3,847.79 mi (6,192.42 km) |
| Stallings to Matosinhos | 3,820.41 mi (6,148.36 km) |
| Stallings to Mealhada | 3,850.94 mi (6,197.49 km) |
| Stallings to Melgaco | 3,820.95 mi (6,149.22 km) |
| Stallings to Melres | 3,837.80 mi (6,176.34 km) |
| Stallings to Mira | 3,835.74 mi (6,173.02 km) |
| Stallings to Miranda do Corvo | 3,863.32 mi (6,217.41 km) |
| Stallings to Mirandela | 3,887.97 mi (6,257.09 km) |
| Stallings to Mogadouro | 3,914.20 mi (6,299.29 km) |
| Stallings to Moimenta da Beira | 3,878.47 mi (6,241.79 km) |
| Stallings to Moita | 3,865.09 mi (6,220.26 km) |
| Stallings to Moncao | 3,811.52 mi (6,134.05 km) |
