The calculated distance (air line) between Bobosso-Tiénigbé and Gagnoa is approximately 161 miles respectively 259 kilometers.
By car or train, the actual journey to Gagnoa is certainly longer, as only the direct route (as the crow flies) between Bobosso-Tiénigbé and Gagnoa has been calculated here.
Air line (approximately)
259 kilometers
140 nautical miles