The calculated distance (air line) between Wennigsen and Bochum-Hordel is approximately 115 miles respectively 186 kilometers.
By car or train, the actual journey to Bochum-Hordel is certainly longer, as only the direct route (as the crow flies) between Wennigsen and Bochum-Hordel has been calculated here.
Air line (approximately)
186 kilometers
100 nautical miles