The calculated distance (air line) between Bochum-Hordel and Jabbeke is approximately 178 miles respectively 286 kilometers.
By car or train, the actual journey to Jabbeke is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Jabbeke has been calculated here.
Air line (approximately)
286 kilometers
154 nautical miles