The calculated distance (air line) between Nueva Gerona and Arroyo Naranjo is approximately 84 miles respectively 135 kilometers.
By car or train, the actual journey to Arroyo Naranjo is certainly longer, as only the direct route (as the crow flies) between Nueva Gerona and Arroyo Naranjo has been calculated here.
Air line (approximately)
135 kilometers
73 nautical miles