| Diekirch to Montemor-o-Novo | 1,048.39 mi (1,687.23 km) |
| Diekirch to Montemor-o-Velho | 983.94 mi (1,583.51 km) |
| Diekirch to Montijo | 1,069.42 mi (1,721.07 km) |
| Diekirch to Mortagua | 954.38 mi (1,535.92 km) |
| Diekirch to Moura | 1,052.43 mi (1,693.72 km) |
| Diekirch to Murtosa | 953.47 mi (1,534.46 km) |
| Diekirch to Nazare | 1,026.70 mi (1,652.31 km) |
| Diekirch to Nelas | 936.63 mi (1,507.35 km) |
| Diekirch to Obidos | 1,042.49 mi (1,677.73 km) |
| Diekirch to Odemira | 1,120.94 mi (1,803.98 km) |
| Diekirch to Odivelas | 1,073.22 mi (1,727.18 km) |
| Diekirch to Oeiras | 1,083.62 mi (1,743.92 km) |
| Diekirch to Olhao | 1,127.62 mi (1,814.73 km) |
| Diekirch to Oliveira de Azemeis | 942.42 mi (1,516.67 km) |
| Diekirch to Oliveira de Frades | 938.16 mi (1,509.83 km) |
