The calculated distance (air line) between Bochum-Hordel and Geldrop is approximately 70 miles respectively 112 kilometers.
By car or train, the actual journey to Geldrop is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Geldrop has been calculated here.
Air line (approximately)
112 kilometers
61 nautical miles