| Wyoming to Montalegre | 3,826.26 mi (6,157.77 km) |
| Wyoming to Montemor-o-Novo | 3,917.60 mi (6,304.77 km) |
| Wyoming to Montemor-o-Velho | 3,842.77 mi (6,184.34 km) |
| Wyoming to Montijo | 3,884.83 mi (6,252.03 km) |
| Wyoming to Mortagua | 3,854.04 mi (6,202.48 km) |
| Wyoming to Moura | 3,971.65 mi (6,391.75 km) |
| Wyoming to Murtosa | 3,825.51 mi (6,156.56 km) |
| Wyoming to Nazare | 3,844.90 mi (6,187.77 km) |
| Wyoming to Nelas | 3,868.56 mi (6,225.85 km) |
| Wyoming to Obidos | 3,849.15 mi (6,194.61 km) |
| Wyoming to Odemira | 3,936.65 mi (6,335.42 km) |
| Wyoming to Odivelas | 3,868.09 mi (6,225.10 km) |
| Wyoming to Oeiras | 3,865.53 mi (6,220.96 km) |
| Wyoming to Olhao | 3,993.96 mi (6,427.66 km) |
| Wyoming to Oliveira de Azemeis | 3,829.03 mi (6,162.23 km) |
