The calculated distance (air line) between Bochum-Hordel and Oosterbeek is approximately 66 miles respectively 106 kilometers.
By car or train, the actual journey to Oosterbeek is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Oosterbeek has been calculated here.
Air line (approximately)
106 kilometers
57 nautical miles