| Ashburn to Mangualde | 3,599.45 mi (5,792.76 km) |
| Ashburn to Marco de Canavezes | 3,565.49 mi (5,738.10 km) |
| Ashburn to Marinha Grande | 3,565.04 mi (5,737.38 km) |
| Ashburn to Massama | 3,575.02 mi (5,753.45 km) |
| Ashburn to Matosinhos | 3,538.95 mi (5,695.38 km) |
| Ashburn to Mealhada | 3,571.85 mi (5,748.34 km) |
| Ashburn to Melgaco | 3,536.14 mi (5,690.87 km) |
| Ashburn to Melres | 3,556.44 mi (5,723.53 km) |
| Ashburn to Mira | 3,556.75 mi (5,724.04 km) |
| Ashburn to Miranda do Corvo | 3,585.04 mi (5,769.57 km) |
| Ashburn to Mirandela | 3,604.20 mi (5,800.40 km) |
| Ashburn to Mogadouro | 3,630.48 mi (5,842.69 km) |
| Ashburn to Moimenta da Beira | 3,596.67 mi (5,788.28 km) |
| Ashburn to Moita | 3,592.38 mi (5,781.38 km) |
| Ashburn to Moncao | 3,527.03 mi (5,676.21 km) |
