| Walnut to Mangualde | 5,630.14 mi (9,060.84 km) |
| Walnut to Marco de Canavezes | 5,589.52 mi (8,995.46 km) |
| Walnut to Marinha Grande | 5,617.44 mi (9,040.40 km) |
| Walnut to Massama | 5,644.71 mi (9,084.29 km) |
| Walnut to Matosinhos | 5,566.87 mi (8,959.02 km) |
| Walnut to Mealhada | 5,610.96 mi (9,029.98 km) |
| Walnut to Melgaco | 5,545.31 mi (8,924.31 km) |
| Walnut to Melres | 5,584.16 mi (8,986.84 km) |
| Walnut to Mira | 5,597.05 mi (9,007.59 km) |
| Walnut to Miranda do Corvo | 5,627.82 mi (9,057.10 km) |
| Walnut to Mirandela | 5,616.20 mi (9,038.40 km) |
| Walnut to Mogadouro | 5,641.60 mi (9,079.28 km) |
| Walnut to Moimenta da Beira | 5,620.20 mi (9,044.83 km) |
| Walnut to Moita | 5,661.67 mi (9,111.58 km) |
| Walnut to Moncao | 5,538.46 mi (8,913.30 km) |
