| West Sacramento to Mangualde | 5,557.56 mi (8,944.03 km) |
| West Sacramento to Marco de Canavezes | 5,515.33 mi (8,876.07 km) |
| West Sacramento to Marinha Grande | 5,552.86 mi (8,936.46 km) |
| West Sacramento to Massama | 5,586.18 mi (8,990.09 km) |
| West Sacramento to Matosinhos | 5,494.42 mi (8,842.42 km) |
| West Sacramento to Mealhada | 5,541.69 mi (8,918.48 km) |
| West Sacramento to Melgaco | 5,466.87 mi (8,798.08 km) |
| West Sacramento to Melres | 5,511.34 mi (8,869.65 km) |
| West Sacramento to Mira | 5,528.43 mi (8,897.15 km) |
| West Sacramento to Miranda do Corvo | 5,559.57 mi (8,947.26 km) |
| West Sacramento to Mirandela | 5,537.46 mi (8,911.68 km) |
| West Sacramento to Mogadouro | 5,562.11 mi (8,951.36 km) |
| West Sacramento to Moimenta da Beira | 5,545.30 mi (8,924.30 km) |
| West Sacramento to Moita | 5,602.72 mi (9,016.70 km) |
| West Sacramento to Moncao | 5,460.91 mi (8,788.49 km) |
