The calculated distance (air line) between Bochum-Hordel and Detmold is approximately 79 miles respectively 127 kilometers.
By car or train, the actual journey to Detmold is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Detmold has been calculated here.
Air line (approximately)
127 kilometers
68 nautical miles