| Newburyport to Mangualde | 3,181.60 mi (5,120.29 km) |
| Newburyport to Marco de Canavezes | 3,146.61 mi (5,063.98 km) |
| Newburyport to Marinha Grande | 3,150.21 mi (5,069.77 km) |
| Newburyport to Massama | 3,163.12 mi (5,090.55 km) |
| Newburyport to Matosinhos | 3,120.46 mi (5,021.90 km) |
| Newburyport to Mealhada | 3,155.05 mi (5,077.56 km) |
| Newburyport to Melgaco | 3,115.32 mi (5,013.63 km) |
| Newburyport to Melres | 3,138.00 mi (5,050.12 km) |
| Newburyport to Mira | 3,140.05 mi (5,053.43 km) |
| Newburyport to Miranda do Corvo | 3,168.83 mi (5,099.74 km) |
| Newburyport to Mirandela | 3,183.99 mi (5,124.14 km) |
| Newburyport to Mogadouro | 3,210.28 mi (5,166.44 km) |
| Newburyport to Moimenta da Beira | 3,177.86 mi (5,114.27 km) |
| Newburyport to Moita | 3,180.48 mi (5,118.50 km) |
| Newburyport to Moncao | 3,106.44 mi (4,999.33 km) |
