| Southfield to Mangualde | 3,770.42 mi (6,067.91 km) |
| Southfield to Marco de Canavezes | 3,733.46 mi (6,008.43 km) |
| Southfield to Marinha Grande | 3,744.68 mi (6,026.48 km) |
| Southfield to Massama | 3,762.13 mi (6,054.57 km) |
| Southfield to Matosinhos | 3,708.25 mi (5,967.85 km) |
| Southfield to Mealhada | 3,746.02 mi (6,028.63 km) |
| Southfield to Melgaco | 3,697.91 mi (5,951.21 km) |
| Southfield to Melres | 3,725.82 mi (5,996.12 km) |
| Southfield to Mira | 3,731.28 mi (6,004.91 km) |
| Southfield to Miranda do Corvo | 3,760.84 mi (6,052.48 km) |
| Southfield to Mirandela | 3,767.74 mi (6,063.60 km) |
| Southfield to Mogadouro | 3,793.93 mi (6,105.73 km) |
| Southfield to Moimenta da Beira | 3,764.73 mi (6,058.74 km) |
| Southfield to Moita | 3,779.45 mi (6,082.43 km) |
| Southfield to Moncao | 3,689.61 mi (5,937.85 km) |
