The calculated distance (air line) between Mostaganem and Ech Chettia is approximately 68 miles respectively 109 kilometers.
By car or train, the actual journey to Ech Chettia is certainly longer, as only the direct route (as the crow flies) between Mostaganem and Ech Chettia has been calculated here.
Air line (approximately)
109 kilometers
59 nautical miles