The calculated distance (air line) between Manicaragua and Arroyo Naranjo is approximately 165 miles respectively 265 kilometers.
By car or train, the actual journey to Arroyo Naranjo is certainly longer, as only the direct route (as the crow flies) between Manicaragua and Arroyo Naranjo has been calculated here.
Air line (approximately)
265 kilometers
143 nautical miles