The calculated distance (air line) between Vlotho and Bochum-Hordel is approximately 85 miles respectively 137 kilometers.
By car or train, the actual journey to Bochum-Hordel is certainly longer, as only the direct route (as the crow flies) between Vlotho and Bochum-Hordel has been calculated here.
Air line (approximately)
137 kilometers
74 nautical miles