The calculated distance (air line) between Gonié-Tahouaké and Gagnoa is approximately 116 miles respectively 186 kilometers.
By car or train, the actual journey to Gagnoa is certainly longer, as only the direct route (as the crow flies) between Gonié-Tahouaké and Gagnoa has been calculated here.
Air line (approximately)
186 kilometers
100 nautical miles