| Portimao to Mendota Heights (Minnesota) | 4,240.25 mi (6,824.02 km) |
| Portimao to Menifee (California) | 5,730.97 mi (9,223.11 km) |
| Portimao to Menlo Park (California) | 5,767.49 mi (9,281.88 km) |
| Portimao to Menomonee Falls (Wisconsin) | 4,062.67 mi (6,538.23 km) |
| Portimao to Menomonie (Wisconsin) | 4,185.35 mi (6,735.67 km) |
| Portimao to Mentor (Ohio) | 3,780.70 mi (6,084.45 km) |
| Portimao to Mequon (Wisconsin) | 4,053.87 mi (6,524.08 km) |
| Portimao to Merced (California) | 5,706.38 mi (9,183.53 km) |
| Portimao to Mercedes (Texas) | 5,119.99 mi (8,239.83 km) |
| Portimao to Mercer Island (Washington) | 5,301.99 mi (8,532.73 km) |
| Portimao to Mercerville (New Jersey) | 3,489.59 mi (5,615.95 km) |
| Portimao to Meriden (Connecticut) | 3,367.41 mi (5,419.33 km) |
| Portimao to Meridian (Idaho) | 5,261.33 mi (8,467.29 km) |
| Portimao to Meridian (Mississippi) | 4,421.39 mi (7,115.54 km) |
| Portimao to Merriam (Kansas) | 4,495.42 mi (7,234.68 km) |
