| Fort Meade to Mangualde | 3,561.85 mi (5,732.25 km) |
| Fort Meade to Marco de Canavezes | 3,528.01 mi (5,677.78 km) |
| Fort Meade to Marinha Grande | 3,527.16 mi (5,676.41 km) |
| Fort Meade to Massama | 3,536.90 mi (5,692.10 km) |
| Fort Meade to Matosinhos | 3,501.42 mi (5,634.99 km) |
| Fort Meade to Mealhada | 3,534.15 mi (5,687.66 km) |
| Fort Meade to Melgaco | 3,498.89 mi (5,630.93 km) |
| Fort Meade to Melres | 3,518.90 mi (5,663.13 km) |
| Fort Meade to Mira | 3,519.04 mi (5,663.35 km) |
| Fort Meade to Miranda do Corvo | 3,547.28 mi (5,708.80 km) |
| Fort Meade to Mirandela | 3,566.87 mi (5,740.32 km) |
| Fort Meade to Mogadouro | 3,593.15 mi (5,782.61 km) |
| Fort Meade to Moimenta da Beira | 3,559.18 mi (5,727.94 km) |
| Fort Meade to Moita | 3,554.26 mi (5,720.02 km) |
| Fort Meade to Moncao | 3,489.75 mi (5,616.22 km) |
