The calculated distance (air line) between Bruchhausen-Vilsen and Bochum is approximately 120 miles respectively 193 kilometers.
By car or train, the actual journey to Bochum is certainly longer, as only the direct route (as the crow flies) between Bruchhausen-Vilsen and Bochum has been calculated here.
Air line (approximately)
193 kilometers
104 nautical miles