| Olhao to Mouscron | 1,092.84 mi (1,758.76 km) |
| Olhao to Namur | 1,121.16 mi (1,804.34 km) |
| Olhao to Neder-Over-Heembeek | 1,131.80 mi (1,821.45 km) |
| Olhao to Neerpelt | 1,177.92 mi (1,895.69 km) |
| Olhao to Nevele | 1,118.15 mi (1,799.49 km) |
| Olhao to Niel | 1,142.53 mi (1,838.73 km) |
| Olhao to Nieuwpoort | 1,103.88 mi (1,776.52 km) |
| Olhao to Nijlen | 1,153.49 mi (1,856.37 km) |
| Olhao to Ninove | 1,118.60 mi (1,800.21 km) |
| Olhao to Nivelles | 1,112.58 mi (1,790.53 km) |
| Olhao to Olen | 1,157.81 mi (1,863.32 km) |
| Olhao to Oostakker | 1,127.29 mi (1,814.21 km) |
| Olhao to Oosterzele | 1,119.64 mi (1,801.89 km) |
| Olhao to Oostkamp | 1,117.47 mi (1,798.40 km) |
| Olhao to Opglabbeek | 1,172.19 mi (1,886.46 km) |
