| Front Royal to Mangualde | 3,636.98 mi (5,853.16 km) |
| Front Royal to Marco de Canavezes | 3,602.92 mi (5,798.35 km) |
| Front Royal to Marinha Grande | 3,602.82 mi (5,798.17 km) |
| Front Royal to Massama | 3,613.00 mi (5,814.56 km) |
| Front Royal to Matosinhos | 3,576.42 mi (5,755.69 km) |
| Front Royal to Mealhada | 3,609.47 mi (5,808.88 km) |
| Front Royal to Melgaco | 3,573.37 mi (5,750.79 km) |
| Front Royal to Melres | 3,593.91 mi (5,783.84 km) |
| Front Royal to Mira | 3,594.38 mi (5,784.60 km) |
| Front Royal to Miranda do Corvo | 3,622.71 mi (5,830.19 km) |
| Front Royal to Mirandela | 3,641.50 mi (5,860.43 km) |
| Front Royal to Mogadouro | 3,667.78 mi (5,902.73 km) |
| Front Royal to Moimenta da Beira | 3,634.11 mi (5,848.54 km) |
| Front Royal to Moita | 3,630.36 mi (5,842.50 km) |
| Front Royal to Moncao | 3,564.29 mi (5,736.17 km) |
