| Canton to Mangualde | 3,732.33 mi (6,006.61 km) |
| Canton to Marco de Canavezes | 3,696.57 mi (5,949.06 km) |
| Canton to Marinha Grande | 3,702.91 mi (5,959.26 km) |
| Canton to Massama | 3,717.24 mi (5,982.32 km) |
| Canton to Matosinhos | 3,670.77 mi (5,907.53 km) |
| Canton to Mealhada | 3,706.55 mi (5,965.12 km) |
| Canton to Melgaco | 3,663.56 mi (5,895.93 km) |
| Canton to Melres | 3,688.33 mi (5,935.79 km) |
| Canton to Mira | 3,691.64 mi (5,941.12 km) |
| Canton to Miranda do Corvo | 3,720.71 mi (5,987.90 km) |
| Canton to Mirandela | 3,732.76 mi (6,007.29 km) |
| Canton to Mogadouro | 3,759.02 mi (6,049.55 km) |
| Canton to Moimenta da Beira | 3,727.85 mi (5,999.39 km) |
| Canton to Moita | 3,734.59 mi (6,010.25 km) |
| Canton to Moncao | 3,654.91 mi (5,882.00 km) |
