| Povoa de Santa Iria to McKeesport (Pennsylvania) | 3,663.01 mi (5,895.05 km) |
| Povoa de Santa Iria to McKinleyville (California) | 5,572.18 mi (8,967.55 km) |
| Povoa de Santa Iria to McKinney (Texas) | 4,714.21 mi (7,586.79 km) |
| Povoa de Santa Iria to McLean (Virginia) | 3,570.89 mi (5,746.79 km) |
| Povoa de Santa Iria to McMinnville (Oregon) | 5,335.79 mi (8,587.13 km) |
| Povoa de Santa Iria to McMinnville (Tennessee) | 4,093.37 mi (6,587.64 km) |
| Povoa de Santa Iria to McNair (Virginia) | 3,581.43 mi (5,763.75 km) |
| Povoa de Santa Iria to McPherson (Kansas) | 4,569.86 mi (7,354.47 km) |
| Povoa de Santa Iria to Mead Valley (California) | 5,633.72 mi (9,066.59 km) |
| Povoa de Santa Iria to Meadow Woods (Florida) | 4,114.91 mi (6,622.31 km) |
| Povoa de Santa Iria to Meadowbrook (Virginia) | 3,626.56 mi (5,836.38 km) |
| Povoa de Santa Iria to Meadville (Pennsylvania) | 3,642.89 mi (5,862.66 km) |
| Povoa de Santa Iria to Mebane (North Carolina) | 3,756.02 mi (6,044.74 km) |
| Povoa de Santa Iria to Mechanicsville (Virginia) | 3,615.14 mi (5,818.00 km) |
| Povoa de Santa Iria to Medford (Massachusetts) | 3,188.65 mi (5,131.63 km) |
