| Atlantic Beach to Mangualde | 4,085.13 mi (6,574.38 km) |
| Atlantic Beach to Marco de Canavezes | 4,055.18 mi (6,526.18 km) |
| Atlantic Beach to Marinha Grande | 4,040.84 mi (6,503.10 km) |
| Atlantic Beach to Massama | 4,041.34 mi (6,503.91 km) |
| Atlantic Beach to Matosinhos | 4,027.49 mi (6,481.63 km) |
| Atlantic Beach to Mealhada | 4,054.16 mi (6,524.53 km) |
| Atlantic Beach to Melgaco | 4,033.34 mi (6,491.03 km) |
| Atlantic Beach to Melres | 4,044.63 mi (6,509.20 km) |
| Atlantic Beach to Mira | 4,038.87 mi (6,499.93 km) |
| Atlantic Beach to Miranda do Corvo | 4,065.20 mi (6,542.30 km) |
| Atlantic Beach to Mirandela | 4,098.39 mi (6,595.72 km) |
| Atlantic Beach to Mogadouro | 4,124.39 mi (6,637.57 km) |
| Atlantic Beach to Moimenta da Beira | 4,085.79 mi (6,575.45 km) |
| Atlantic Beach to Moita | 4,058.46 mi (6,531.47 km) |
| Atlantic Beach to Moncao | 4,023.45 mi (6,475.12 km) |
