| Oeiras to Mouscron | 1,032.32 mi (1,661.36 km) |
| Oeiras to Namur | 1,068.73 mi (1,719.96 km) |
| Oeiras to Neder-Over-Heembeek | 1,075.13 mi (1,730.25 km) |
| Oeiras to Neerpelt | 1,123.48 mi (1,808.07 km) |
| Oeiras to Nevele | 1,057.49 mi (1,701.87 km) |
| Oeiras to Niel | 1,084.55 mi (1,745.41 km) |
| Oeiras to Nieuwpoort | 1,039.54 mi (1,672.98 km) |
| Oeiras to Nijlen | 1,096.47 mi (1,764.60 km) |
| Oeiras to Ninove | 1,060.83 mi (1,707.24 km) |
| Oeiras to Nivelles | 1,057.34 mi (1,701.62 km) |
| Oeiras to Olen | 1,101.64 mi (1,772.91 km) |
| Oeiras to Oostakker | 1,067.17 mi (1,717.44 km) |
| Oeiras to Oosterzele | 1,060.41 mi (1,706.56 km) |
| Oeiras to Oostkamp | 1,054.94 mi (1,697.77 km) |
| Oeiras to Opglabbeek | 1,119.27 mi (1,801.29 km) |
