| Povoa de Varzim to McKeesport (Pennsylvania) | 3,604.51 mi (5,800.90 km) |
| Povoa de Varzim to McKinleyville (California) | 5,458.32 mi (8,784.31 km) |
| Povoa de Varzim to McKinney (Texas) | 4,654.21 mi (7,490.22 km) |
| Povoa de Varzim to McLean (Virginia) | 3,520.18 mi (5,665.18 km) |
| Povoa de Varzim to McMinnville (Oregon) | 5,215.98 mi (8,394.31 km) |
| Povoa de Varzim to McMinnville (Tennessee) | 4,041.92 mi (6,504.85 km) |
| Povoa de Varzim to McNair (Virginia) | 3,530.43 mi (5,681.68 km) |
| Povoa de Varzim to McPherson (Kansas) | 4,495.30 mi (7,234.49 km) |
| Povoa de Varzim to Mead Valley (California) | 5,541.98 mi (8,918.95 km) |
| Povoa de Varzim to Meadow Woods (Florida) | 4,091.93 mi (6,585.33 km) |
| Povoa de Varzim to Meadowbrook (Virginia) | 3,580.61 mi (5,762.44 km) |
| Povoa de Varzim to Meadville (Pennsylvania) | 3,579.75 mi (5,761.05 km) |
| Povoa de Varzim to Mebane (North Carolina) | 3,712.16 mi (5,974.14 km) |
| Povoa de Varzim to Mechanicsville (Virginia) | 3,568.69 mi (5,743.24 km) |
| Povoa de Varzim to Medford (Massachusetts) | 3,132.09 mi (5,040.60 km) |
