| Montemor-o-Novo to McKeesport (Pennsylvania) | 3,710.72 mi (5,971.82 km) |
| Montemor-o-Novo to McKinleyville (California) | 5,614.49 mi (9,035.64 km) |
| Montemor-o-Novo to McKinney (Texas) | 4,761.90 mi (7,663.53 km) |
| Montemor-o-Novo to McLean (Virginia) | 3,618.86 mi (5,823.99 km) |
| Montemor-o-Novo to McMinnville (Oregon) | 5,376.98 mi (8,653.42 km) |
| Montemor-o-Novo to McMinnville (Tennessee) | 4,141.33 mi (6,664.83 km) |
| Montemor-o-Novo to McNair (Virginia) | 3,629.39 mi (5,840.94 km) |
| Montemor-o-Novo to McPherson (Kansas) | 4,616.71 mi (7,429.88 km) |
| Montemor-o-Novo to Mead Valley (California) | 5,679.11 mi (9,139.65 km) |
| Montemor-o-Novo to Meadow Woods (Florida) | 4,163.00 mi (6,699.71 km) |
| Montemor-o-Novo to Meadowbrook (Virginia) | 3,674.64 mi (5,913.76 km) |
| Montemor-o-Novo to Meadville (Pennsylvania) | 3,690.38 mi (5,939.09 km) |
| Montemor-o-Novo to Mebane (North Carolina) | 3,804.15 mi (6,122.18 km) |
| Montemor-o-Novo to Mechanicsville (Virginia) | 3,663.21 mi (5,895.37 km) |
| Montemor-o-Novo to Medford (Massachusetts) | 3,236.40 mi (5,208.48 km) |
