The calculated distance (air line) between Linkenheim-Hochstetten and Bochum is approximately 171 miles respectively 275 kilometers.
By car or train, the actual journey to Bochum is certainly longer, as only the direct route (as the crow flies) between Linkenheim-Hochstetten and Bochum has been calculated here.
Air line (approximately)
275 kilometers
148 nautical miles