The calculated distance (air line) between Boû Arfa and Bab Ezzouar is approximately 27 miles respectively 44 kilometers.
By car or train, the actual journey to Bab Ezzouar is certainly longer, as only the direct route (as the crow flies) between Boû Arfa and Bab Ezzouar has been calculated here.
Air line (approximately)
44 kilometers
24 nautical miles