The calculated distance (air line) between Düsseldorf and Sint-Kwintens-Lennik is approximately 118 miles respectively 189 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 Düsseldorf and Sint-Kwintens-Lennik has been calculated here.
Air line (approximately)
189 kilometers
102 nautical miles