The calculated distance (air line) between Bochum-Hordel and Gorredijk is approximately 114 miles respectively 184 kilometers.
By car or train, the actual journey to Gorredijk is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Gorredijk has been calculated here.
Air line (approximately)
184 kilometers
99 nautical miles