The calculated distance (air line) between Bonn and Broek op Langedijk is approximately 166 miles respectively 267 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 Bonn and Broek op Langedijk has been calculated here.
Air line (approximately)
267 kilometers
144 nautical miles