| Tucson Mountains to Mangualde | 5,422.23 mi (8,726.23 km) |
| Tucson Mountains to Marco de Canavezes | 5,383.50 mi (8,663.91 km) |
| Tucson Mountains to Marinha Grande | 5,401.96 mi (8,693.61 km) |
| Tucson Mountains to Massama | 5,423.28 mi (8,727.93 km) |
| Tucson Mountains to Matosinhos | 5,359.36 mi (8,625.06 km) |
| Tucson Mountains to Mealhada | 5,400.03 mi (8,690.50 km) |
| Tucson Mountains to Melgaco | 5,343.81 mi (8,600.03 km) |
| Tucson Mountains to Melres | 5,376.86 mi (8,653.22 km) |
| Tucson Mountains to Mira | 5,385.60 mi (8,667.28 km) |
| Tucson Mountains to Miranda do Corvo | 5,415.76 mi (8,715.82 km) |
| Tucson Mountains to Mirandela | 5,414.40 mi (8,713.64 km) |
| Tucson Mountains to Mogadouro | 5,440.32 mi (8,755.34 km) |
| Tucson Mountains to Moimenta da Beira | 5,414.61 mi (8,713.97 km) |
| Tucson Mountains to Moita | 5,440.51 mi (8,755.65 km) |
| Tucson Mountains to Moncao | 5,336.16 mi (8,587.73 km) |
