| Olivenza to Mouscron | 972.36 mi (1,564.86 km) |
| Olivenza to Namur | 1,002.03 mi (1,612.61 km) |
| Olivenza to Neder-Over-Heembeek | 1,011.92 mi (1,628.53 km) |
| Olivenza to Neerpelt | 1,058.48 mi (1,703.45 km) |
| Olivenza to Nevele | 997.67 mi (1,605.60 km) |
| Olivenza to Niel | 1,022.46 mi (1,645.48 km) |
| Olivenza to Nieuwpoort | 982.95 mi (1,581.91 km) |
| Olivenza to Nijlen | 1,033.58 mi (1,663.38 km) |
| Olivenza to Ninove | 998.53 mi (1,606.98 km) |
| Olivenza to Nivelles | 992.93 mi (1,597.96 km) |
| Olivenza to Olen | 1,038.04 mi (1,670.57 km) |
| Olivenza to Oostakker | 1,006.89 mi (1,620.44 km) |
| Olivenza to Oosterzele | 999.36 mi (1,608.32 km) |
| Olivenza to Oostkamp | 996.75 mi (1,604.12 km) |
| Olivenza to Opglabbeek | 1,053.02 mi (1,694.67 km) |
