The calculated distance (air line) between Bochum-Hordel and Berchem is approximately 120 miles respectively 194 kilometers.
By car or train, the actual journey to Berchem is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Berchem has been calculated here.
Air line (approximately)
194 kilometers
104 nautical miles