| Cities | Distance |
|---|---|
| Olen to Beyne-Heusay | 50.73 mi (81.65 km) |
| Olen to Bierbeek | 22.18 mi (35.69 km) |
| Olen to Bilzen | 34.97 mi (56.29 km) |
| Olen to Binche | 59.80 mi (96.25 km) |
| Olen to Bissegem | 74.68 mi (120.19 km) |
| Olen to Blankenberge | 75.71 mi (121.85 km) |
| Olen to Blegny | 50.95 mi (82.00 km) |
| Olen to Bocholt | 31.64 mi (50.92 km) |
| Olen to Boechout | 15.89 mi (25.58 km) |
| Olen to Bonheiden | 15.93 mi (25.64 km) |
| Olen to Boom | 21.46 mi (34.54 km) |
| Olen to Boortmeerbeek | 16.85 mi (27.12 km) |
| Olen to Borgerhout | 18.23 mi (29.34 km) |
| Olen to Borgloon | 32.22 mi (51.85 km) |
| Olen to Bornem | 26.97 mi (43.40 km) |