| Tallinn to Marco de Canavezes | 1,888.82 mi (3,039.76 km) |
| Tallinn to Marinha Grande | 1,992.98 mi (3,207.38 km) |
| Tallinn to Massama | 2,059.52 mi (3,314.48 km) |
| Tallinn to Matosinhos | 1,906.07 mi (3,067.52 km) |
| Tallinn to Mealhada | 1,942.55 mi (3,126.24 km) |
| Tallinn to Melgaco | 1,841.36 mi (2,963.38 km) |
| Tallinn to Melres | 1,903.08 mi (3,062.71 km) |
| Tallinn to Mira | 1,948.60 mi (3,135.96 km) |
| Tallinn to Miranda do Corvo | 1,954.76 mi (3,145.89 km) |
| Tallinn to Mirandela | 1,841.97 mi (2,964.36 km) |
| Tallinn to Mogadouro | 1,836.03 mi (2,954.81 km) |
| Tallinn to Moimenta da Beira | 1,883.39 mi (3,031.03 km) |
| Tallinn to Moita | 2,056.62 mi (3,309.81 km) |
| Tallinn to Moncao | 1,850.47 mi (2,978.05 km) |
| Tallinn to Montalegre | 1,842.41 mi (2,965.07 km) |
