The calculated distance (air line) between Bochum-Hordel and Ypenburg is approximately 126 miles respectively 202 kilometers.
By car or train, the actual journey to Ypenburg is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Ypenburg has been calculated here.
Air line (approximately)
202 kilometers
109 nautical miles