| Cities | Distance |
|---|---|
| Olen to Mouscron | 76.71 mi (123.46 km) |
| Olen to Namur | 47.22 mi (75.99 km) |
| Olen to Neder-Over-Heembeek | 26.64 mi (42.87 km) |
| Olen to Neerpelt | 25.91 mi (41.69 km) |
| Olen to Nevele | 56.99 mi (91.71 km) |
| Olen to Niel | 22.52 mi (36.24 km) |
| Olen to Nieuwpoort | 91.08 mi (146.57 km) |
| Olen to Nijlen | 8.74 mi (14.07 km) |
| Olen to Ninove | 42.33 mi (68.13 km) |
| Olen to Nivelles | 45.54 mi (73.29 km) |
| Olen to Oostakker | 47.10 mi (75.81 km) |
| Olen to Oosterzele | 47.65 mi (76.69 km) |
| Olen to Oostkamp | 69.98 mi (112.62 km) |
| Olen to Opglabbeek | 32.56 mi (52.40 km) |
| Olen to Opwijk | 31.60 mi (50.86 km) |