The calculated distance (air line) between Bou Hadjar and Douar Hicher is approximately 90 miles respectively 145 kilometers.
By car or train, the actual journey to Douar Hicher is certainly longer, as only the direct route (as the crow flies) between Bou Hadjar and Douar Hicher has been calculated here.
Air line (approximately)
145 kilometers
78 nautical miles