| Powder Springs to Mangualde | 4,121.26 mi (6,632.53 km) |
| Powder Springs to Marco de Canavezes | 4,088.41 mi (6,579.66 km) |
| Powder Springs to Marinha Grande | 4,083.76 mi (6,572.18 km) |
| Powder Springs to Massama | 4,090.68 mi (6,583.32 km) |
| Powder Springs to Matosinhos | 4,061.49 mi (6,536.34 km) |
| Powder Springs to Mealhada | 4,092.60 mi (6,586.40 km) |
| Powder Springs to Melgaco | 4,061.11 mi (6,535.73 km) |
| Powder Springs to Melres | 4,078.91 mi (6,564.37 km) |
| Powder Springs to Mira | 4,077.42 mi (6,561.97 km) |
| Powder Springs to Miranda do Corvo | 4,105.16 mi (6,606.62 km) |
| Powder Springs to Mirandela | 4,128.45 mi (6,644.10 km) |
| Powder Springs to Mogadouro | 4,154.70 mi (6,686.34 km) |
| Powder Springs to Moimenta da Beira | 4,119.48 mi (6,629.66 km) |
| Powder Springs to Moita | 4,108.00 mi (6,611.18 km) |
| Powder Springs to Moncao | 4,051.78 mi (6,520.70 km) |
