| Tucson to Mangualde | 5,419.28 mi (8,721.49 km) |
| Tucson to Marco de Canavezes | 5,380.64 mi (8,659.30 km) |
| Tucson to Marinha Grande | 5,398.70 mi (8,688.38 km) |
| Tucson to Massama | 5,419.78 mi (8,722.30 km) |
| Tucson to Matosinhos | 5,356.44 mi (8,620.36 km) |
| Tucson to Mealhada | 5,396.96 mi (8,685.57 km) |
| Tucson to Melgaco | 5,341.14 mi (8,595.73 km) |
| Tucson to Melres | 5,373.95 mi (8,648.53 km) |
| Tucson to Mira | 5,382.51 mi (8,662.31 km) |
| Tucson to Miranda do Corvo | 5,412.64 mi (8,710.81 km) |
| Tucson to Mirandela | 5,411.71 mi (8,709.30 km) |
| Tucson to Mogadouro | 5,437.63 mi (8,751.03 km) |
| Tucson to Moimenta da Beira | 5,411.76 mi (8,709.38 km) |
| Tucson to Moita | 5,437.01 mi (8,750.03 km) |
| Tucson to Moncao | 5,333.46 mi (8,583.37 km) |
