The calculated distance (air line) between Souk Ahras and Oum el Bouaghi is approximately 55 miles respectively 88 kilometers.
By car or train, the actual journey to Oum el Bouaghi is certainly longer, as only the direct route (as the crow flies) between Souk Ahras and Oum el Bouaghi has been calculated here.
Air line (approximately)
88 kilometers
48 nautical miles