The calculated distance (air line) between Berkel en Rodenrijs and Dordrecht is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Dordrecht is certainly longer, as only the direct route (as the crow flies) between Berkel en Rodenrijs and Dordrecht has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles