The calculated distance (air line) between Mostaganem and Berrouaghia is approximately 158 miles respectively 255 kilometers.
By car or train, the actual journey to Berrouaghia is certainly longer, as only the direct route (as the crow flies) between Mostaganem and Berrouaghia has been calculated here.
Air line (approximately)
255 kilometers
137 nautical miles