The calculated distance (air line) between Didouche Mourad and Souk Ahras is approximately 74 miles respectively 119 kilometers.
By car or train, the actual journey to Souk Ahras is certainly longer, as only the direct route (as the crow flies) between Didouche Mourad and Souk Ahras has been calculated here.
Air line (approximately)
119 kilometers
64 nautical miles