| Pueblo West to Mangualde | 4,880.36 mi (7,854.18 km) |
| Pueblo West to Marco de Canavezes | 4,841.07 mi (7,790.94 km) |
| Pueblo West to Marinha Grande | 4,862.39 mi (7,825.27 km) |
| Pueblo West to Massama | 4,885.77 mi (7,862.89 km) |
| Pueblo West to Matosinhos | 4,817.32 mi (7,752.73 km) |
| Pueblo West to Mealhada | 4,859.03 mi (7,819.86 km) |
| Pueblo West to Melgaco | 4,800.13 mi (7,725.07 km) |
| Pueblo West to Melres | 4,834.78 mi (7,780.83 km) |
| Pueblo West to Mira | 4,844.75 mi (7,796.87 km) |
| Pueblo West to Miranda do Corvo | 4,875.12 mi (7,845.75 km) |
| Pueblo West to Mirandela | 4,870.86 mi (7,838.90 km) |
| Pueblo West to Mogadouro | 4,896.66 mi (7,880.42 km) |
| Pueblo West to Moimenta da Beira | 4,872.08 mi (7,840.85 km) |
| Pueblo West to Moita | 4,902.92 mi (7,890.48 km) |
| Pueblo West to Moncao | 4,792.69 mi (7,713.09 km) |
