The calculated distance (air line) between Kathwana and Ongata Rongai is approximately 106 miles respectively 171 kilometers.
By car or train, the actual journey to Ongata Rongai is certainly longer, as only the direct route (as the crow flies) between Kathwana and Ongata Rongai has been calculated here.
Air line (approximately)
171 kilometers
92 nautical miles