The calculated distance (air line) between Bonn and Krimpen aan den IJssel is approximately 135 miles respectively 217 kilometers.
By car or train, the actual journey to Krimpen aan den IJssel is certainly longer, as only the direct route (as the crow flies) between Bonn and Krimpen aan den IJssel has been calculated here.
Air line (approximately)
217 kilometers
117 nautical miles