| Fitchburg to Mangualde | 3,231.09 mi (5,199.93 km) |
| Fitchburg to Marco de Canavezes | 3,196.08 mi (5,143.60 km) |
| Fitchburg to Marinha Grande | 3,199.73 mi (5,149.47 km) |
| Fitchburg to Massama | 3,212.64 mi (5,170.25 km) |
| Fitchburg to Matosinhos | 3,169.94 mi (5,101.53 km) |
| Fitchburg to Mealhada | 3,204.56 mi (5,157.24 km) |
| Fitchburg to Melgaco | 3,164.74 mi (5,093.15 km) |
| Fitchburg to Melres | 3,187.48 mi (5,129.76 km) |
| Fitchburg to Mira | 3,189.56 mi (5,133.11 km) |
| Fitchburg to Miranda do Corvo | 3,218.35 mi (5,179.43 km) |
| Fitchburg to Mirandela | 3,233.43 mi (5,203.70 km) |
| Fitchburg to Mogadouro | 3,259.71 mi (5,246.00 km) |
| Fitchburg to Moimenta da Beira | 3,227.33 mi (5,193.89 km) |
| Fitchburg to Moita | 3,230.01 mi (5,198.19 km) |
| Fitchburg to Moncao | 3,155.86 mi (5,078.87 km) |
