| Santa Flavia to Marco de Canavezes | 1,170.32 mi (1,883.44 km) |
| Santa Flavia to Marinha Grande | 1,210.06 mi (1,947.41 km) |
| Santa Flavia to Massama | 1,232.35 mi (1,983.28 km) |
| Santa Flavia to Matosinhos | 1,198.87 mi (1,929.40 km) |
| Santa Flavia to Mealhada | 1,184.07 mi (1,905.57 km) |
| Santa Flavia to Melgaco | 1,181.83 mi (1,901.96 km) |
| Santa Flavia to Melres | 1,182.87 mi (1,903.64 km) |
| Santa Flavia to Mira | 1,199.01 mi (1,929.62 km) |
| Santa Flavia to Miranda do Corvo | 1,177.86 mi (1,895.57 km) |
| Santa Flavia to Mirandela | 1,121.80 mi (1,805.37 km) |
| Santa Flavia to Mogadouro | 1,096.85 mi (1,765.21 km) |
| Santa Flavia to Moimenta da Beira | 1,141.62 mi (1,837.25 km) |
| Santa Flavia to Moita | 1,217.36 mi (1,959.14 km) |
| Santa Flavia to Moncao | 1,192.37 mi (1,918.94 km) |
| Santa Flavia to Montalegre | 1,155.41 mi (1,859.45 km) |
