| Arbon to Mangualde | 975.15 mi (1,569.35 km) |
| Arbon to Marco de Canavezes | 969.71 mi (1,560.59 km) |
| Arbon to Marinha Grande | 1,059.85 mi (1,705.67 km) |
| Arbon to Massama | 1,116.25 mi (1,796.44 km) |
| Arbon to Matosinhos | 993.84 mi (1,599.43 km) |
| Arbon to Mealhada | 1,013.55 mi (1,631.16 km) |
| Arbon to Melgaco | 941.60 mi (1,515.36 km) |
| Arbon to Melres | 985.01 mi (1,585.22 km) |
| Arbon to Mira | 1,023.82 mi (1,647.68 km) |
| Arbon to Miranda do Corvo | 1,019.92 mi (1,641.40 km) |
| Arbon to Mirandela | 916.16 mi (1,474.42 km) |
| Arbon to Mogadouro | 901.74 mi (1,451.21 km) |
| Arbon to Moimenta da Beira | 954.10 mi (1,535.47 km) |
| Arbon to Moita | 1,108.73 mi (1,784.33 km) |
| Arbon to Moncao | 952.60 mi (1,533.06 km) |
