The calculated distance (air line) between Elburgon and Ongata Rongai is approximately 100 miles respectively 162 kilometers.
By car or train, the actual journey to Ongata Rongai is certainly longer, as only the direct route (as the crow flies) between Elburgon and Ongata Rongai has been calculated here.
Air line (approximately)
162 kilometers
87 nautical miles