| Prairie Ridge to Montalegre | 5,095.53 mi (8,200.46 km) |
| Prairie Ridge to Montemor-o-Novo | 5,249.01 mi (8,447.47 km) |
| Prairie Ridge to Montemor-o-Velho | 5,152.80 mi (8,292.63 km) |
| Prairie Ridge to Montijo | 5,223.54 mi (8,406.48 km) |
| Prairie Ridge to Mortagua | 5,154.06 mi (8,294.66 km) |
| Prairie Ridge to Moura | 5,302.99 mi (8,534.34 km) |
| Prairie Ridge to Murtosa | 5,124.68 mi (8,247.37 km) |
| Prairie Ridge to Nazare | 5,169.46 mi (8,319.44 km) |
| Prairie Ridge to Nelas | 5,162.62 mi (8,308.44 km) |
| Prairie Ridge to Obidos | 5,179.04 mi (8,334.85 km) |
| Prairie Ridge to Odemira | 5,291.06 mi (8,515.14 km) |
| Prairie Ridge to Odivelas | 5,208.16 mi (8,381.72 km) |
| Prairie Ridge to Oeiras | 5,209.01 mi (8,383.10 km) |
| Prairie Ridge to Olhao | 5,348.49 mi (8,607.57 km) |
| Prairie Ridge to Oliveira de Azemeis | 5,124.43 mi (8,246.97 km) |
