| Mercedes to Mangualde | 5,074.02 mi (8,165.85 km) |
| Mercedes to Marco de Canavezes | 5,041.07 mi (8,112.82 km) |
| Mercedes to Marinha Grande | 5,036.49 mi (8,105.45 km) |
| Mercedes to Massama | 5,042.99 mi (8,115.91 km) |
| Mercedes to Matosinhos | 5,014.19 mi (8,069.56 km) |
| Mercedes to Mealhada | 5,045.40 mi (8,119.79 km) |
| Mercedes to Melgaco | 5,013.38 mi (8,068.25 km) |
| Mercedes to Melres | 5,031.62 mi (8,097.61 km) |
| Mercedes to Mira | 5,030.22 mi (8,095.35 km) |
| Mercedes to Miranda do Corvo | 5,057.96 mi (8,140.00 km) |
| Mercedes to Mirandela | 5,080.89 mi (8,176.91 km) |
| Mercedes to Mogadouro | 5,107.15 mi (8,219.16 km) |
| Mercedes to Moimenta da Beira | 5,072.15 mi (8,162.84 km) |
| Mercedes to Moita | 5,060.29 mi (8,143.76 km) |
| Mercedes to Moncao | 5,004.10 mi (8,053.32 km) |
