The calculated distance (air line) between Bochum-Hordel and Bad Salzuflen is approximately 78 miles respectively 126 kilometers.
By car or train, the actual journey to Bad Salzuflen is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Bad Salzuflen has been calculated here.
Air line (approximately)
126 kilometers
68 nautical miles