The calculated distance (air line) between Duisburg and Broek op Langedijk is approximately 120 miles respectively 192 kilometers.
By car or train, the actual journey to Broek op Langedijk is certainly longer, as only the direct route (as the crow flies) between Duisburg and Broek op Langedijk has been calculated here.
Air line (approximately)
192 kilometers
104 nautical miles