The calculated distance (air line) between Bochum-Hordel and Scheveningen is approximately 131 miles respectively 210 kilometers.
By car or train, the actual journey to Scheveningen is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Scheveningen has been calculated here.
Air line (approximately)
210 kilometers
114 nautical miles