| Lisburn to Montalegre | 880.70 mi (1,417.36 km) |
| Lisburn to Montemor-o-Novo | 1,101.04 mi (1,771.95 km) |
| Lisburn to Montemor-o-Velho | 999.04 mi (1,607.80 km) |
| Lisburn to Montijo | 1,102.18 mi (1,773.79 km) |
| Lisburn to Mortagua | 978.35 mi (1,574.51 km) |
| Lisburn to Moura | 1,133.94 mi (1,824.90 km) |
| Lisburn to Murtosa | 959.84 mi (1,544.71 km) |
| Lisburn to Nazare | 1,040.24 mi (1,674.10 km) |
| Lisburn to Nelas | 970.93 mi (1,562.56 km) |
| Lisburn to Obidos | 1,057.41 mi (1,701.74 km) |
| Lisburn to Odemira | 1,176.40 mi (1,893.24 km) |
| Lisburn to Odivelas | 1,096.51 mi (1,764.66 km) |
| Lisburn to Oeiras | 1,104.72 mi (1,777.88 km) |
| Lisburn to Olhao | 1,211.52 mi (1,949.76 km) |
| Lisburn to Oliveira de Azemeis | 951.62 mi (1,531.49 km) |
