The calculated distance (air line) between Bochum-Hordel and Sint-Lenaarts is approximately 108 miles respectively 174 kilometers.
By car or train, the actual journey to Sint-Lenaarts is certainly longer, as only the direct route (as the crow flies) between Bochum-Hordel and Sint-Lenaarts has been calculated here.
Air line (approximately)
174 kilometers
94 nautical miles