| Palm Valley to Mangualde | 4,089.21 mi (6,580.94 km) |
| Palm Valley to Marco de Canavezes | 4,059.34 mi (6,532.88 km) |
| Palm Valley to Marinha Grande | 4,044.73 mi (6,509.37 km) |
| Palm Valley to Massama | 4,045.05 mi (6,509.88 km) |
| Palm Valley to Matosinhos | 4,031.64 mi (6,488.30 km) |
| Palm Valley to Mealhada | 4,058.18 mi (6,531.00 km) |
| Palm Valley to Melgaco | 4,037.66 mi (6,497.98 km) |
| Palm Valley to Melres | 4,048.76 mi (6,515.86 km) |
| Palm Valley to Mira | 4,042.88 mi (6,506.39 km) |
| Palm Valley to Miranda do Corvo | 4,069.17 mi (6,548.70 km) |
| Palm Valley to Mirandela | 4,102.64 mi (6,602.55 km) |
| Palm Valley to Mogadouro | 4,128.63 mi (6,644.39 km) |
| Palm Valley to Moimenta da Beira | 4,089.94 mi (6,582.12 km) |
| Palm Valley to Moita | 4,062.17 mi (6,537.43 km) |
| Palm Valley to Moncao | 4,027.76 mi (6,482.05 km) |
