| Tynemouth to Mangualde | 1,037.30 mi (1,669.37 km) |
| Tynemouth to Marco de Canavezes | 1,003.82 mi (1,615.49 km) |
| Tynemouth to Marinha Grande | 1,110.28 mi (1,786.82 km) |
| Tynemouth to Massama | 1,181.29 mi (1,901.10 km) |
| Tynemouth to Matosinhos | 1,011.76 mi (1,628.26 km) |
| Tynemouth to Mealhada | 1,061.28 mi (1,707.96 km) |
| Tynemouth to Melgaco | 943.55 mi (1,518.50 km) |
| Tynemouth to Melres | 1,015.10 mi (1,633.65 km) |
| Tynemouth to Mira | 1,061.97 mi (1,709.08 km) |
| Tynemouth to Miranda do Corvo | 1,078.57 mi (1,735.79 km) |
| Tynemouth to Mirandela | 970.94 mi (1,562.58 km) |
| Tynemouth to Mogadouro | 975.70 mi (1,570.25 km) |
| Tynemouth to Moimenta da Beira | 1,010.26 mi (1,625.85 km) |
| Tynemouth to Moita | 1,184.31 mi (1,905.96 km) |
| Tynemouth to Moncao | 949.62 mi (1,528.27 km) |
