| Pittsfield to Mangualde | 3,303.29 mi (5,316.14 km) |
| Pittsfield to Marco de Canavezes | 3,268.12 mi (5,259.53 km) |
| Pittsfield to Marinha Grande | 3,272.38 mi (5,266.38 km) |
| Pittsfield to Massama | 3,285.63 mi (5,287.72 km) |
| Pittsfield to Matosinhos | 3,242.05 mi (5,217.57 km) |
| Pittsfield to Mealhada | 3,276.93 mi (5,273.71 km) |
| Pittsfield to Melgaco | 3,236.41 mi (5,208.49 km) |
| Pittsfield to Melres | 3,259.59 mi (5,245.81 km) |
| Pittsfield to Mira | 3,261.95 mi (5,249.61 km) |
| Pittsfield to Miranda do Corvo | 3,290.80 mi (5,296.04 km) |
| Pittsfield to Mirandela | 3,305.21 mi (5,319.23 km) |
| Pittsfield to Mogadouro | 3,331.49 mi (5,361.52 km) |
| Pittsfield to Moimenta da Beira | 3,299.37 mi (5,309.83 km) |
| Pittsfield to Moita | 3,303.00 mi (5,315.66 km) |
| Pittsfield to Moncao | 3,227.58 mi (5,194.28 km) |
