The calculated distance (air line) between Bochum-Hordel and Deinze is approximately 162 miles respectively 260 kilometers.
By car or train, the actual journey to Deinze is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Deinze has been calculated here.
Air line (approximately)
260 kilometers
140 nautical miles