| Citrus to Mangualde | 5,627.42 mi (9,056.45 km) |
| Citrus to Marco de Canavezes | 5,586.77 mi (8,991.03 km) |
| Citrus to Marinha Grande | 5,614.83 mi (9,036.20 km) |
| Citrus to Massama | 5,642.19 mi (9,080.23 km) |
| Citrus to Matosinhos | 5,564.14 mi (8,954.63 km) |
| Citrus to Mealhada | 5,608.29 mi (9,025.66 km) |
| Citrus to Melgaco | 5,542.49 mi (8,919.78 km) |
| Citrus to Melres | 5,581.43 mi (8,982.44 km) |
| Citrus to Mira | 5,594.38 mi (9,003.29 km) |
| Citrus to Miranda do Corvo | 5,625.16 mi (9,052.82 km) |
| Citrus to Mirandela | 5,613.39 mi (9,033.87 km) |
| Citrus to Mogadouro | 5,638.77 mi (9,074.73 km) |
| Citrus to Moimenta da Beira | 5,617.44 mi (9,040.39 km) |
| Citrus to Moita | 5,659.15 mi (9,107.52 km) |
| Citrus to Moncao | 5,535.66 mi (8,908.78 km) |
