| Siteia to Marco de Canavezes | 1,892.37 mi (3,045.47 km) |
| Siteia to Marinha Grande | 1,934.00 mi (3,112.47 km) |
| Siteia to Massama | 1,955.72 mi (3,147.42 km) |
| Siteia to Matosinhos | 1,920.96 mi (3,091.49 km) |
| Siteia to Mealhada | 1,907.59 mi (3,069.97 km) |
| Siteia to Melgaco | 1,900.89 mi (3,059.18 km) |
| Siteia to Melres | 1,905.21 mi (3,066.15 km) |
| Siteia to Mira | 1,922.47 mi (3,093.91 km) |
| Siteia to Miranda do Corvo | 1,901.64 mi (3,060.40 km) |
| Siteia to Mirandela | 1,842.89 mi (2,965.85 km) |
| Siteia to Mogadouro | 1,818.33 mi (2,926.33 km) |
| Siteia to Moimenta da Beira | 1,864.11 mi (2,999.99 km) |
| Siteia to Moita | 1,940.54 mi (3,123.00 km) |
| Siteia to Moncao | 1,911.65 mi (3,076.51 km) |
| Siteia to Montalegre | 1,875.47 mi (3,018.27 km) |
