| Portimao to Monticello (Minnesota) | 4,256.96 mi (6,850.92 km) |
| Portimao to Montrose (Colorado) | 5,117.67 mi (8,236.10 km) |
| Portimao to Moody (Alabama) | 4,269.68 mi (6,871.39 km) |
| Portimao to Moore (Oklahoma) | 4,755.51 mi (7,653.26 km) |
| Portimao to Moorestown-Lenola (New Jersey) | 3,509.35 mi (5,647.75 km) |
| Portimao to Mooresville (North Carolina) | 3,919.84 mi (6,308.38 km) |
| Portimao to Moorhead (Minnesota) | 4,336.71 mi (6,979.27 km) |
| Portimao to Moorpark (California) | 5,777.43 mi (9,297.87 km) |
| Portimao to Moraga (California) | 5,748.11 mi (9,250.70 km) |
| Portimao to Moreno Valley (California) | 5,721.37 mi (9,207.65 km) |
| Portimao to Morgan City (Louisiana) | 4,642.29 mi (7,471.05 km) |
| Portimao to Morgan Hill (California) | 5,761.92 mi (9,272.91 km) |
| Portimao to Morganton (North Carolina) | 3,959.81 mi (6,372.70 km) |
| Portimao to Morgantown (West Virginia) | 3,764.79 mi (6,058.84 km) |
| Portimao to Morris (Illinois) | 4,127.11 mi (6,641.95 km) |
