The calculated distance (air line) between Bochum-Hordel and Steenokkerzeel is approximately 122 miles respectively 197 kilometers.
By car or train, the actual journey to Steenokkerzeel is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Steenokkerzeel has been calculated here.
Air line (approximately)
197 kilometers
106 nautical miles