| Otsego to Mangualde | 4,141.37 mi (6,664.90 km) |
| Otsego to Marco de Canavezes | 4,101.57 mi (6,600.84 km) |
| Otsego to Marinha Grande | 4,125.67 mi (6,639.62 km) |
| Otsego to Massama | 4,151.13 mi (6,680.60 km) |
| Otsego to Matosinhos | 4,078.22 mi (6,563.26 km) |
| Otsego to Mealhada | 4,120.89 mi (6,631.94 km) |
| Otsego to Melgaco | 4,059.54 mi (6,533.20 km) |
| Otsego to Melres | 4,095.62 mi (6,591.26 km) |
| Otsego to Mira | 4,106.76 mi (6,609.19 km) |
| Otsego to Miranda do Corvo | 4,137.32 mi (6,658.37 km) |
| Otsego to Mirandela | 4,130.36 mi (6,647.17 km) |
| Otsego to Mogadouro | 4,156.05 mi (6,688.52 km) |
| Otsego to Moimenta da Beira | 4,132.48 mi (6,650.59 km) |
| Otsego to Moita | 4,168.17 mi (6,708.03 km) |
| Otsego to Moncao | 4,052.28 mi (6,521.51 km) |
