| Portimao to Marysville (California) | 5,665.64 mi (9,117.97 km) |
| Portimao to Marysville (Ohio) | 3,916.45 mi (6,302.92 km) |
| Portimao to Marysville (Washington) | 5,275.85 mi (8,490.66 km) |
| Portimao to Maryville (Missouri) | 4,460.09 mi (7,177.81 km) |
| Portimao to Maryville (Tennessee) | 4,075.09 mi (6,558.23 km) |
| Portimao to Mason (Ohio) | 3,986.30 mi (6,415.34 km) |
| Portimao to Mason City (Iowa) | 4,294.87 mi (6,911.93 km) |
| Portimao to Massapequa (New York) | 3,419.22 mi (5,502.70 km) |
| Portimao to Massapequa Park (New York) | 3,417.87 mi (5,500.53 km) |
| Portimao to Massillon (Ohio) | 3,812.73 mi (6,136.00 km) |
| Portimao to Mastic (New York) | 3,385.18 mi (5,447.93 km) |
| Portimao to Mastic Beach (New York) | 3,385.55 mi (5,448.52 km) |
| Portimao to Matteson (Illinois) | 4,091.04 mi (6,583.89 km) |
| Portimao to Matthews (North Carolina) | 3,927.39 mi (6,320.53 km) |
| Portimao to Mattoon (Illinois) | 4,179.60 mi (6,726.42 km) |
