The calculated distance (air line) between Bab Ezzouar and Beni Mered is approximately 23 miles respectively 36 kilometers.
By car or train, the actual journey to Beni Mered is certainly longer, as only the direct route (as the crow flies) between Bab Ezzouar and Beni Mered has been calculated here.
Air line (approximately)
36 kilometers
20 nautical miles