The calculated distance (air line) between Fomento and Arroyo Naranjo is approximately 181 miles respectively 292 kilometers.
By car or train, the actual journey to Arroyo Naranjo is certainly longer, as only the direct route (as the crow flies) between Fomento and Arroyo Naranjo has been calculated here.
Air line (approximately)
292 kilometers
157 nautical miles