The calculated distance (air line) between Naro Moru and Ongata Rongai is approximately 87 miles respectively 140 kilometers.
By car or train, the actual journey to Ongata Rongai is certainly longer, as only the direct route (as the crow flies) between Naro Moru and Ongata Rongai has been calculated here.
Air line (approximately)
140 kilometers
75 nautical miles