The calculated distance (air line) between Karuri and Ongata Rongai is approximately 56 miles respectively 90 kilometers.
By car or train, the actual journey to Ongata Rongai is certainly longer, as only the direct route (as the crow flies) between Karuri and Ongata Rongai has been calculated here.
Air line (approximately)
90 kilometers
49 nautical miles