| Fredericksburg to Mangualde | 3,622.10 mi (5,829.21 km) |
| Fredericksburg to Marco de Canavezes | 3,588.56 mi (5,775.24 km) |
| Fredericksburg to Marinha Grande | 3,586.56 mi (5,772.01 km) |
| Fredericksburg to Massama | 3,595.51 mi (5,786.41 km) |
| Fredericksburg to Matosinhos | 3,561.87 mi (5,732.27 km) |
| Fredericksburg to Mealhada | 3,594.10 mi (5,784.14 km) |
| Fredericksburg to Melgaco | 3,560.05 mi (5,729.35 km) |
| Fredericksburg to Melres | 3,579.33 mi (5,760.38 km) |
| Fredericksburg to Mira | 3,578.96 mi (5,759.79 km) |
| Fredericksburg to Miranda do Corvo | 3,607.06 mi (5,805.00 km) |
| Fredericksburg to Mirandela | 3,627.82 mi (5,838.41 km) |
| Fredericksburg to Mogadouro | 3,654.09 mi (5,880.68 km) |
| Fredericksburg to Moimenta da Beira | 3,619.70 mi (5,825.35 km) |
| Fredericksburg to Moita | 3,612.85 mi (5,814.33 km) |
| Fredericksburg to Moncao | 3,550.84 mi (5,714.53 km) |
