The calculated distance (air line) between Pan de Azúcar and Barros Blancos is approximately 44 miles respectively 70 kilometers.
By car or train, the actual journey to Barros Blancos is certainly longer, as only the direct route (as the crow flies) between Pan de Azúcar and Barros Blancos has been calculated here.
Air line (approximately)
70 kilometers
38 nautical miles