The calculated distance (air line) between Gohouo-Zarabaon and Gagnoa is approximately 137 miles respectively 221 kilometers.
By car or train, the actual journey to Gagnoa is certainly longer, as only the direct route (as the crow flies) between Gohouo-Zarabaon and Gagnoa has been calculated here.
Air line (approximately)
221 kilometers
119 nautical miles