The calculated distance (air line) between Barrouallie and Les Trois-Îlets is approximately 91 miles respectively 147 kilometers.
By car or train, the actual journey to Les Trois-Îlets is certainly longer, as only the direct route (as the crow flies) between Barrouallie and Les Trois-Îlets has been calculated here.
Air line (approximately)
147 kilometers
79 nautical miles