| Woolwich to Mangualde | 839.27 mi (1,350.68 km) |
| Woolwich to Marco de Canavezes | 811.49 mi (1,305.96 km) |
| Woolwich to Marinha Grande | 918.60 mi (1,478.34 km) |
| Woolwich to Massama | 988.60 mi (1,591.00 km) |
| Woolwich to Matosinhos | 824.30 mi (1,326.58 km) |
| Woolwich to Mealhada | 868.14 mi (1,397.13 km) |
| Woolwich to Melgaco | 756.82 mi (1,217.99 km) |
| Woolwich to Melres | 824.45 mi (1,326.82 km) |
| Woolwich to Mira | 871.42 mi (1,402.42 km) |
| Woolwich to Miranda do Corvo | 883.36 mi (1,421.62 km) |
| Woolwich to Mirandela | 771.39 mi (1,241.43 km) |
| Woolwich to Mogadouro | 771.59 mi (1,241.75 km) |
| Woolwich to Moimenta da Beira | 812.43 mi (1,307.48 km) |
| Woolwich to Moita | 989.03 mi (1,591.69 km) |
| Woolwich to Moncao | 764.69 mi (1,230.64 km) |
