The calculated distance (air line) between Boumerdas and Bab Ezzouar is approximately 17 miles respectively 27 kilometers.
By car or train, the actual journey to Bab Ezzouar is certainly longer, as only the direct route (as the crow flies) between Boumerdas and Bab Ezzouar has been calculated here.
Air line (approximately)
27 kilometers
14 nautical miles