| Madisonville to Mangualde | 4,135.29 mi (6,655.10 km) |
| Madisonville to Marco de Canavezes | 4,099.98 mi (6,598.29 km) |
| Madisonville to Marinha Grande | 4,104.39 mi (6,605.37 km) |
| Madisonville to Massama | 4,117.22 mi (6,626.03 km) |
| Madisonville to Matosinhos | 4,073.98 mi (6,556.44 km) |
| Madisonville to Mealhada | 4,108.99 mi (6,612.78 km) |
| Madisonville to Melgaco | 4,067.81 mi (6,546.51 km) |
| Madisonville to Melres | 4,091.53 mi (6,584.68 km) |
| Madisonville to Mira | 4,094.02 mi (6,588.69 km) |
| Madisonville to Miranda do Corvo | 4,122.87 mi (6,635.12 km) |
| Madisonville to Mirandela | 4,136.78 mi (6,657.51 km) |
| Madisonville to Mogadouro | 4,163.06 mi (6,699.79 km) |
| Madisonville to Moimenta da Beira | 4,131.25 mi (6,648.60 km) |
| Madisonville to Moita | 4,134.59 mi (6,653.97 km) |
| Madisonville to Moncao | 4,059.06 mi (6,532.42 km) |
