The calculated distance (air line) between Gamboula and Bétaré Oya is approximately 126 miles respectively 202 kilometers.
By car or train, the actual journey to Bétaré Oya is certainly longer, as only the direct route (as the crow flies) between Gamboula and Bétaré Oya has been calculated here.
Air line (approximately)
202 kilometers
109 nautical miles