The calculated distance (air line) between Brouafla-nattis and Gagnoa is approximately 108 miles respectively 174 kilometers.
By car or train, the actual journey to Gagnoa is certainly longer, as only the direct route (as the crow flies) between Brouafla-nattis and Gagnoa has been calculated here.
Air line (approximately)
174 kilometers
94 nautical miles