The calculated distance (air line) between Ol Kalou and Ongata Rongai is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Ongata Rongai is certainly longer, as only the direct route (as the crow flies) between Ol Kalou and Ongata Rongai has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles