| Glasgow to Mangualde | 1,066.11 mi (1,715.75 km) |
| Glasgow to Marco de Canavezes | 1,029.31 mi (1,656.51 km) |
| Glasgow to Marinha Grande | 1,133.54 mi (1,824.25 km) |
| Glasgow to Massama | 1,204.22 mi (1,938.01 km) |
| Glasgow to Matosinhos | 1,033.84 mi (1,663.81 km) |
| Glasgow to Mealhada | 1,086.31 mi (1,748.25 km) |
| Glasgow to Melgaco | 966.54 mi (1,555.49 km) |
| Glasgow to Melres | 1,039.25 mi (1,672.52 km) |
| Glasgow to Mira | 1,085.24 mi (1,746.52 km) |
| Glasgow to Miranda do Corvo | 1,104.76 mi (1,777.93 km) |
| Glasgow to Mirandela | 1,002.01 mi (1,612.57 km) |
| Glasgow to Mogadouro | 1,009.92 mi (1,625.30 km) |
| Glasgow to Moimenta da Beira | 1,039.40 mi (1,672.75 km) |
| Glasgow to Moita | 1,209.01 mi (1,945.71 km) |
| Glasgow to Moncao | 971.31 mi (1,563.18 km) |
