The calculated distance (air line) between Annaba and Oum el Bouaghi is approximately 80 miles respectively 128 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 Annaba and Oum el Bouaghi has been calculated here.
Air line (approximately)
128 kilometers
69 nautical miles