The calculated distance (air line) between Gladenbach and Bochum-Hordel is approximately 79 miles respectively 128 kilometers.
By car or train, the actual journey to Bochum-Hordel is certainly longer, as only the direct route (as the crow flies) between Gladenbach and Bochum-Hordel has been calculated here.
Air line (approximately)
128 kilometers
69 nautical miles