| North Palm Beach to Mangualde | 4,146.97 mi (6,673.91 km) |
| North Palm Beach to Marco de Canavezes | 4,119.54 mi (6,629.76 km) |
| North Palm Beach to Marinha Grande | 4,097.44 mi (6,594.19 km) |
| North Palm Beach to Massama | 4,092.69 mi (6,586.55 km) |
| North Palm Beach to Matosinhos | 4,091.41 mi (6,584.48 km) |
| North Palm Beach to Mealhada | 4,114.32 mi (6,621.36 km) |
| North Palm Beach to Melgaco | 4,102.20 mi (6,601.86 km) |
| North Palm Beach to Melres | 4,108.21 mi (6,611.52 km) |
| North Palm Beach to Mira | 4,099.03 mi (6,596.76 km) |
| North Palm Beach to Miranda do Corvo | 4,124.06 mi (6,637.04 km) |
| North Palm Beach to Mirandela | 4,165.04 mi (6,702.98 km) |
| North Palm Beach to Mogadouro | 4,190.70 mi (6,744.28 km) |
| North Palm Beach to Moimenta da Beira | 4,149.60 mi (6,678.14 km) |
| North Palm Beach to Moita | 4,109.56 mi (6,613.70 km) |
| North Palm Beach to Moncao | 4,091.94 mi (6,585.34 km) |
