| Lisburn to Mangualde | 964.55 mi (1,552.30 km) |
| Lisburn to Marco de Canavezes | 926.35 mi (1,490.82 km) |
| Lisburn to Marinha Grande | 1,029.12 mi (1,656.21 km) |
| Lisburn to Massama | 1,099.41 mi (1,769.33 km) |
| Lisburn to Matosinhos | 929.33 mi (1,495.62 km) |
| Lisburn to Mealhada | 982.88 mi (1,581.79 km) |
| Lisburn to Melgaco | 862.77 mi (1,388.49 km) |
| Lisburn to Melres | 935.64 mi (1,505.76 km) |
| Lisburn to Mira | 981.02 mi (1,578.79 km) |
| Lisburn to Miranda do Corvo | 1,001.77 mi (1,612.19 km) |
| Lisburn to Mirandela | 901.91 mi (1,451.49 km) |
| Lisburn to Mogadouro | 911.42 mi (1,466.79 km) |
| Lisburn to Moimenta da Beira | 938.13 mi (1,509.78 km) |
| Lisburn to Moita | 1,104.95 mi (1,778.24 km) |
| Lisburn to Moncao | 866.94 mi (1,395.21 km) |
