| Prairie Ridge to Mangualde | 5,160.99 mi (8,305.81 km) |
| Prairie Ridge to Marco de Canavezes | 5,117.30 mi (8,235.50 km) |
| Prairie Ridge to Marinha Grande | 5,166.17 mi (8,314.14 km) |
| Prairie Ridge to Massama | 5,206.61 mi (8,379.23 km) |
| Prairie Ridge to Matosinhos | 5,098.77 mi (8,205.67 km) |
| Prairie Ridge to Mealhada | 5,149.34 mi (8,287.06 km) |
| Prairie Ridge to Melgaco | 5,064.27 mi (8,150.15 km) |
| Prairie Ridge to Melres | 5,115.03 mi (8,231.84 km) |
| Prairie Ridge to Mira | 5,137.06 mi (8,267.30 km) |
| Prairie Ridge to Miranda do Corvo | 5,168.26 mi (8,317.52 km) |
| Prairie Ridge to Mirandela | 5,133.65 mi (8,261.81 km) |
| Prairie Ridge to Mogadouro | 5,157.12 mi (8,299.59 km) |
| Prairie Ridge to Moimenta da Beira | 5,146.06 mi (8,281.78 km) |
| Prairie Ridge to Moita | 5,222.40 mi (8,404.64 km) |
| Prairie Ridge to Moncao | 5,059.44 mi (8,142.38 km) |
