The calculated distance (air line) between Bochum-Hordel and Wiesbaden is approximately 109 miles respectively 175 kilometers.
By car or train, the actual journey to Wiesbaden is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Wiesbaden has been calculated here.
Air line (approximately)
175 kilometers
94 nautical miles