The calculated distance (air line) between Mostaganem and Aïn Temouchent is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Aïn Temouchent is certainly longer, as only the direct route (as the crow flies) between Mostaganem and Aïn Temouchent has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles