| Povoa de Santa Iria to Mauldin (South Carolina) | 3,948.82 mi (6,355.02 km) |
| Povoa de Santa Iria to Maumee (Ohio) | 3,812.17 mi (6,135.09 km) |
| Povoa de Santa Iria to Maumelle (Arkansas) | 4,446.61 mi (7,156.12 km) |
| Povoa de Santa Iria to Mayagüez (Puerto Rico) | 3,733.97 mi (6,009.25 km) |
| Povoa de Santa Iria to Mayfield Heights (Ohio) | 3,708.70 mi (5,968.57 km) |
| Povoa de Santa Iria to Mays Chapel (Maryland) | 3,531.02 mi (5,682.62 km) |
| Povoa de Santa Iria to Maywood (California) | 5,665.14 mi (9,117.16 km) |
| Povoa de Santa Iria to Maywood (Illinois) | 3,999.01 mi (6,435.78 km) |
| Povoa de Santa Iria to McAlester (Oklahoma) | 4,606.90 mi (7,414.08 km) |
| Povoa de Santa Iria to McAllen (Texas) | 5,064.82 mi (8,151.03 km) |
| Povoa de Santa Iria to McCalla (Alabama) | 4,235.34 mi (6,816.11 km) |
| Povoa de Santa Iria to McComb (Mississippi) | 4,480.79 mi (7,211.14 km) |
| Povoa de Santa Iria to McDonough (Georgia) | 4,085.73 mi (6,575.35 km) |
| Povoa de Santa Iria to McFarland (California) | 5,631.03 mi (9,062.26 km) |
| Povoa de Santa Iria to McHenry (Illinois) | 4,006.08 mi (6,447.16 km) |
