| Sinj to Marco de Canavezes | 1,270.73 mi (2,045.04 km) |
| Sinj to Marinha Grande | 1,340.70 mi (2,157.65 km) |
| Sinj to Massama | 1,382.72 mi (2,225.27 km) |
| Sinj to Matosinhos | 1,298.20 mi (2,089.25 km) |
| Sinj to Mealhada | 1,302.14 mi (2,095.59 km) |
| Sinj to Melgaco | 1,260.09 mi (2,027.92 km) |
| Sinj to Melres | 1,285.48 mi (2,068.78 km) |
| Sinj to Mira | 1,315.20 mi (2,116.61 km) |
| Sinj to Miranda do Corvo | 1,302.63 mi (2,096.38 km) |
| Sinj to Mirandela | 1,216.72 mi (1,958.13 km) |
| Sinj to Mogadouro | 1,196.30 mi (1,925.25 km) |
| Sinj to Moimenta da Beira | 1,247.92 mi (2,008.33 km) |
| Sinj to Moita | 1,371.09 mi (2,206.55 km) |
| Sinj to Moncao | 1,271.42 mi (2,046.16 km) |
| Sinj to Montalegre | 1,241.25 mi (1,997.59 km) |
