The calculated distance (air line) between Bad Königshofen im Grabfeld and Bochum is approximately 164 miles respectively 263 kilometers.
By car or train, the actual journey to Bochum is certainly longer, as only the direct route (as the crow flies) between Bad Königshofen im Grabfeld and Bochum has been calculated here.
Air line (approximately)
263 kilometers
142 nautical miles