The calculated distance (air line) between Bochum-Hordel and Assebroek is approximately 170 miles respectively 274 kilometers.
By car or train, the actual journey to Assebroek is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Assebroek has been calculated here.
Air line (approximately)
274 kilometers
148 nautical miles