| Fort Lewis to Mangualde | 5,177.67 mi (8,332.65 km) |
| Fort Lewis to Marco de Canavezes | 5,133.95 mi (8,262.29 km) |
| Fort Lewis to Marinha Grande | 5,183.10 mi (8,341.40 km) |
| Fort Lewis to Massama | 5,223.71 mi (8,406.75 km) |
| Fort Lewis to Matosinhos | 5,115.48 mi (8,232.57 km) |
| Fort Lewis to Mealhada | 5,166.13 mi (8,314.09 km) |
| Fort Lewis to Melgaco | 5,080.80 mi (8,176.76 km) |
| Fort Lewis to Melres | 5,131.72 mi (8,258.71 km) |
| Fort Lewis to Mira | 5,153.88 mi (8,294.37 km) |
| Fort Lewis to Miranda do Corvo | 5,185.08 mi (8,344.58 km) |
| Fort Lewis to Mirandela | 5,150.14 mi (8,288.35 km) |
| Fort Lewis to Mogadouro | 5,173.57 mi (8,326.06 km) |
| Fort Lewis to Moimenta da Beira | 5,162.67 mi (8,308.51 km) |
| Fort Lewis to Moita | 5,239.48 mi (8,432.14 km) |
| Fort Lewis to Moncao | 5,076.00 mi (8,169.04 km) |
