The calculated distance (air line) between El Idrissia and Bab Ezzouar is approximately 162 miles respectively 260 kilometers.
By car or train, the actual journey to Bab Ezzouar is certainly longer, as only the direct route (as the crow flies) between El Idrissia and Bab Ezzouar has been calculated here.
Air line (approximately)
260 kilometers
141 nautical miles