The calculated distance (air line) between Ouellah and Adda-Douéni is approximately 100 miles respectively 162 kilometers.
By car or train, the actual journey to Adda-Douéni is certainly longer, as only the direct route (as the crow flies) between Ouellah and Adda-Douéni has been calculated here.
Air line (approximately)
162 kilometers
87 nautical miles