| Luxembourg to Montemor-o-Novo | 1,035.74 mi (1,666.86 km) |
| Luxembourg to Montemor-o-Velho | 972.42 mi (1,564.96 km) |
| Luxembourg to Montijo | 1,057.14 mi (1,701.30 km) |
| Luxembourg to Mortagua | 942.78 mi (1,517.26 km) |
| Luxembourg to Moura | 1,039.13 mi (1,672.32 km) |
| Luxembourg to Murtosa | 942.30 mi (1,516.48 km) |
| Luxembourg to Nazare | 1,015.02 mi (1,633.52 km) |
| Luxembourg to Nelas | 924.87 mi (1,488.44 km) |
| Luxembourg to Obidos | 1,030.72 mi (1,658.78 km) |
| Luxembourg to Odemira | 1,107.98 mi (1,783.13 km) |
| Luxembourg to Odivelas | 1,061.13 mi (1,707.73 km) |
| Luxembourg to Oeiras | 1,071.55 mi (1,724.49 km) |
| Luxembourg to Olhao | 1,114.05 mi (1,792.88 km) |
| Luxembourg to Oliveira de Azemeis | 931.24 mi (1,498.68 km) |
| Luxembourg to Oliveira de Frades | 926.73 mi (1,491.43 km) |
