| Fort Washington to Mangualde | 3,585.65 mi (5,770.55 km) |
| Fort Washington to Marco de Canavezes | 3,551.97 mi (5,716.35 km) |
| Fort Washington to Marinha Grande | 3,550.52 mi (5,714.01 km) |
| Fort Washington to Massama | 3,559.85 mi (5,729.03 km) |
| Fort Washington to Matosinhos | 3,525.33 mi (5,673.47 km) |
| Fort Washington to Mealhada | 3,557.79 mi (5,725.71 km) |
| Fort Washington to Melgaco | 3,523.17 mi (5,670.00 km) |
| Fort Washington to Melres | 3,542.80 mi (5,701.59 km) |
| Fort Washington to Mira | 3,542.67 mi (5,701.38 km) |
| Fort Washington to Miranda do Corvo | 3,570.84 mi (5,746.71 km) |
| Fort Washington to Mirandela | 3,591.04 mi (5,779.22 km) |
| Fort Washington to Mogadouro | 3,617.31 mi (5,821.50 km) |
| Fort Washington to Moimenta da Beira | 3,583.13 mi (5,766.48 km) |
| Fort Washington to Moita | 3,577.20 mi (5,756.95 km) |
| Fort Washington to Moncao | 3,514.00 mi (5,655.23 km) |
