| Tienen to Marco de Canavezes | 911.67 mi (1,467.19 km) |
| Tienen to Marinha Grande | 1,015.19 mi (1,633.79 km) |
| Tienen to Massama | 1,081.51 mi (1,740.51 km) |
| Tienen to Matosinhos | 929.79 mi (1,496.35 km) |
| Tienen to Mealhada | 964.87 mi (1,552.80 km) |
| Tienen to Melgaco | 866.31 mi (1,394.20 km) |
| Tienen to Melres | 926.11 mi (1,490.42 km) |
| Tienen to Mira | 971.23 mi (1,563.04 km) |
| Tienen to Miranda do Corvo | 976.83 mi (1,572.06 km) |
| Tienen to Mirandela | 864.16 mi (1,390.72 km) |
| Tienen to Mogadouro | 858.00 mi (1,380.82 km) |
| Tienen to Moimenta da Beira | 905.53 mi (1,457.31 km) |
| Tienen to Moita | 1,078.61 mi (1,735.86 km) |
| Tienen to Moncao | 875.84 mi (1,409.53 km) |
| Tienen to Montalegre | 865.73 mi (1,393.26 km) |
