| Santa Comba to Mangualde | 176.70 mi (284.37 km) |
| Santa Comba to Marco de Canavezes | 132.61 mi (213.42 km) |
| Santa Comba to Marinha Grande | 227.28 mi (365.78 km) |
| Santa Comba to Massama | 296.80 mi (477.65 km) |
| Santa Comba to Matosinhos | 128.30 mi (206.48 km) |
| Santa Comba to Mealhada | 184.40 mi (296.77 km) |
| Santa Comba to Melgaco | 69.50 mi (111.85 km) |
| Santa Comba to Melres | 137.87 mi (221.88 km) |
| Santa Comba to Mira | 180.04 mi (289.74 km) |
| Santa Comba to Miranda do Corvo | 204.53 mi (329.16 km) |
| Santa Comba to Mirandela | 135.94 mi (218.78 km) |
| Santa Comba to Mogadouro | 159.39 mi (256.52 km) |
| Santa Comba to Moimenta da Beira | 155.01 mi (249.47 km) |
| Santa Comba to Moita | 303.33 mi (488.16 km) |
| Santa Comba to Moncao | 68.81 mi (110.74 km) |
