The calculated distance (air line) between Ouagadougou and Ouahigouya is approximately 103 miles respectively 166 kilometers.
By car or train, the actual journey to Ouahigouya is certainly longer, as only the direct route (as the crow flies) between Ouagadougou and Ouahigouya has been calculated here.
Air line (approximately)
166 kilometers
90 nautical miles