The calculated distance (air line) between El Hadjar and Bordj Bou Arreridj is approximately 173 miles respectively 278 kilometers.
By car or train, the actual journey to Bordj Bou Arreridj is certainly longer, as only the direct route (as the crow flies) between El Hadjar and Bordj Bou Arreridj has been calculated here.
Air line (approximately)
278 kilometers
150 nautical miles