| Helsinki to Marco de Canavezes | 1,918.23 mi (3,087.09 km) |
| Helsinki to Marinha Grande | 2,022.93 mi (3,255.59 km) |
| Helsinki to Massama | 2,089.99 mi (3,363.51 km) |
| Helsinki to Matosinhos | 1,934.96 mi (3,114.02 km) |
| Helsinki to Mealhada | 1,972.41 mi (3,174.29 km) |
| Helsinki to Melgaco | 1,869.76 mi (3,009.09 km) |
| Helsinki to Melres | 1,932.36 mi (3,109.84 km) |
| Helsinki to Mira | 1,978.14 mi (3,183.51 km) |
| Helsinki to Miranda do Corvo | 1,984.98 mi (3,194.52 km) |
| Helsinki to Mirandela | 1,872.03 mi (3,012.74 km) |
| Helsinki to Mogadouro | 1,866.68 mi (3,004.14 km) |
| Helsinki to Moimenta da Beira | 1,913.51 mi (3,079.50 km) |
| Helsinki to Moita | 2,087.44 mi (3,359.41 km) |
| Helsinki to Moncao | 1,878.71 mi (3,023.49 km) |
| Helsinki to Montalegre | 1,871.56 mi (3,011.98 km) |
