The calculated distance (air line) between Bochum-Hordel and Pijnacker is approximately 123 miles respectively 198 kilometers.
By car or train, the actual journey to Pijnacker is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Pijnacker has been calculated here.
Air line (approximately)
198 kilometers
107 nautical miles