The calculated distance (air line) between Bochum and Sint-Kwintens-Lennik is approximately 141 miles respectively 226 kilometers.
By car or train, the actual journey to Sint-Kwintens-Lennik is certainly longer, as only the direct route (as the crow flies) between Bochum and Sint-Kwintens-Lennik has been calculated here.
Air line (approximately)
226 kilometers
122 nautical miles