| Derry to Montalegre | 910.09 mi (1,464.65 km) |
| Derry to Montemor-o-Novo | 1,129.84 mi (1,818.30 km) |
| Derry to Montemor-o-Velho | 1,026.17 mi (1,651.45 km) |
| Derry to Montijo | 1,129.13 mi (1,817.17 km) |
| Derry to Mortagua | 1,006.72 mi (1,620.16 km) |
| Derry to Moura | 1,164.81 mi (1,874.59 km) |
| Derry to Murtosa | 986.93 mi (1,588.32 km) |
| Derry to Nazare | 1,066.45 mi (1,716.28 km) |
| Derry to Nelas | 1,000.40 mi (1,609.98 km) |
| Derry to Obidos | 1,083.45 mi (1,743.64 km) |
| Derry to Odemira | 1,204.33 mi (1,938.18 km) |
| Derry to Odivelas | 1,122.67 mi (1,806.76 km) |
| Derry to Oeiras | 1,130.55 mi (1,819.44 km) |
| Derry to Olhao | 1,241.53 mi (1,998.05 km) |
| Derry to Oliveira de Azemeis | 979.16 mi (1,575.81 km) |
