| Povoa de Varzim to Mauldin (South Carolina) | 3,904.92 mi (6,284.36 km) |
| Povoa de Varzim to Maumee (Ohio) | 3,745.44 mi (6,027.70 km) |
| Povoa de Varzim to Maumelle (Arkansas) | 4,388.37 mi (7,062.41 km) |
| Povoa de Varzim to Mayagüez (Puerto Rico) | 3,768.06 mi (6,064.10 km) |
| Povoa de Varzim to Mayfield Heights (Ohio) | 3,644.56 mi (5,865.35 km) |
| Povoa de Varzim to Mays Chapel (Maryland) | 3,479.27 mi (5,599.35 km) |
| Povoa de Varzim to Maywood (California) | 5,571.76 mi (8,966.89 km) |
| Povoa de Varzim to Maywood (Illinois) | 3,926.70 mi (6,319.42 km) |
| Povoa de Varzim to McAlester (Oklahoma) | 4,543.74 mi (7,312.44 km) |
| Povoa de Varzim to McAllen (Texas) | 5,019.84 mi (8,078.65 km) |
| Povoa de Varzim to McCalla (Alabama) | 4,189.09 mi (6,741.70 km) |
| Povoa de Varzim to McComb (Mississippi) | 4,435.20 mi (7,137.77 km) |
| Povoa de Varzim to McDonough (Georgia) | 4,043.27 mi (6,507.01 km) |
| Povoa de Varzim to McFarland (California) | 5,532.94 mi (8,904.41 km) |
| Povoa de Varzim to McHenry (Illinois) | 3,931.93 mi (6,327.84 km) |
