| Salo to Marco de Canavezes | 1,871.52 mi (3,011.92 km) |
| Salo to Marinha Grande | 1,976.74 mi (3,181.25 km) |
| Salo to Massama | 2,044.31 mi (3,290.00 km) |
| Salo to Matosinhos | 1,887.70 mi (3,037.95 km) |
| Salo to Mealhada | 1,926.14 mi (3,099.82 km) |
| Salo to Melgaco | 1,822.04 mi (2,932.28 km) |
| Salo to Melres | 1,885.51 mi (3,034.43 km) |
| Salo to Mira | 1,931.53 mi (3,108.50 km) |
| Salo to Miranda do Corvo | 1,939.09 mi (3,120.66 km) |
| Salo to Mirandela | 1,826.03 mi (2,938.72 km) |
| Salo to Mogadouro | 1,821.33 mi (2,931.15 km) |
| Salo to Moimenta da Beira | 1,867.54 mi (3,005.52 km) |
| Salo to Moita | 2,042.15 mi (3,286.52 km) |
| Salo to Moncao | 1,830.82 mi (2,946.42 km) |
| Salo to Montalegre | 1,824.60 mi (2,936.40 km) |
