| Sopot to Marco de Canavezes | 1,526.24 mi (2,456.25 km) |
| Sopot to Marinha Grande | 1,626.67 mi (2,617.87 km) |
| Sopot to Massama | 1,690.12 mi (2,719.98 km) |
| Sopot to Matosinhos | 1,546.19 mi (2,488.35 km) |
| Sopot to Mealhada | 1,577.16 mi (2,538.19 km) |
| Sopot to Melgaco | 1,484.80 mi (2,389.56 km) |
| Sopot to Melres | 1,541.08 mi (2,480.12 km) |
| Sopot to Mira | 1,584.80 mi (2,550.50 km) |
| Sopot to Miranda do Corvo | 1,587.39 mi (2,554.65 km) |
| Sopot to Mirandela | 1,476.35 mi (2,375.96 km) |
| Sopot to Mogadouro | 1,467.35 mi (2,361.46 km) |
| Sopot to Moimenta da Beira | 1,517.12 mi (2,441.58 km) |
| Sopot to Moita | 1,685.43 mi (2,712.44 km) |
| Sopot to Moncao | 1,494.73 mi (2,405.54 km) |
| Sopot to Montalegre | 1,481.71 mi (2,384.58 km) |
