| North Little Rock to Mangualde | 4,453.12 mi (7,166.61 km) |
| North Little Rock to Marco de Canavezes | 4,417.90 mi (7,109.92 km) |
| North Little Rock to Marinha Grande | 4,421.87 mi (7,116.32 km) |
| North Little Rock to Massama | 4,434.27 mi (7,136.27 km) |
| North Little Rock to Matosinhos | 4,391.86 mi (7,068.02 km) |
| North Little Rock to Mealhada | 4,426.72 mi (7,124.11 km) |
| North Little Rock to Melgaco | 4,385.84 mi (7,058.32 km) |
| North Little Rock to Melres | 4,409.41 mi (7,096.26 km) |
| North Little Rock to Mira | 4,411.73 mi (7,100.00 km) |
| North Little Rock to Miranda do Corvo | 4,440.53 mi (7,146.35 km) |
| North Little Rock to Mirandela | 4,454.78 mi (7,169.28 km) |
| North Little Rock to Mogadouro | 4,481.06 mi (7,211.57 km) |
| North Little Rock to Moimenta da Beira | 4,449.16 mi (7,160.23 km) |
| North Little Rock to Moita | 4,451.63 mi (7,164.21 km) |
| North Little Rock to Moncao | 4,377.07 mi (7,044.22 km) |
