The calculated distance (air line) between Immenhausen and Bochum-Hordel is approximately 99 miles respectively 160 kilometers.
By car or train, the actual journey to Bochum-Hordel is certainly longer, as only the direct route (as the crow flies) between Immenhausen and Bochum-Hordel has been calculated here.
Air line (approximately)
160 kilometers
86 nautical miles