The calculated distance (air line) between Bochum-Hordel and Steenwijk is approximately 99 miles respectively 160 kilometers.
By car or train, the actual journey to Steenwijk is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Steenwijk has been calculated here.
Air line (approximately)
160 kilometers
86 nautical miles