The calculated distance (air line) between Wuppertal and Katwijk aan den Rijn is approximately 133 miles respectively 215 kilometers.
By car or train, the actual journey to Katwijk aan den Rijn is certainly longer, as only the direct route (as the crow flies) between Wuppertal and Katwijk aan den Rijn has been calculated here.
Air line (approximately)
215 kilometers
116 nautical miles