The calculated distance (air line) between Sidi Okba and Souk Ahras is approximately 157 miles respectively 253 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 Okba and Souk Ahras has been calculated here.
Air line (approximately)
253 kilometers
136 nautical miles