The calculated distance (air line) between Bochum-Hordel and Arendonk is approximately 91 miles respectively 146 kilometers.
By car or train, the actual journey to Arendonk is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Arendonk has been calculated here.
Air line (approximately)
146 kilometers
79 nautical miles