The calculated distance (air line) between Paoua and Garoua Boulaï is approximately 160 miles respectively 258 kilometers.
By car or train, the actual journey to Garoua Boulaï is certainly longer, as only the direct route (as the crow flies) between Paoua and Garoua Boulaï has been calculated here.
Air line (approximately)
258 kilometers
139 nautical miles