The calculated distance (air line) between Salah Bey and Bab Ezzouar is approximately 132 miles respectively 212 kilometers.
By car or train, the actual journey to Bab Ezzouar is certainly longer, as only the direct route (as the crow flies) between Salah Bey and Bab Ezzouar has been calculated here.
Air line (approximately)
212 kilometers
115 nautical miles