The calculated distance (air line) between Sidi Mérouane and Souk Ahras is approximately 95 miles respectively 153 kilometers.
By car or train, the actual journey to Souk Ahras is certainly longer, as only the direct route (as the crow flies) between Sidi Mérouane and Souk Ahras has been calculated here.
Air line (approximately)
153 kilometers
83 nautical miles