The calculated distance (air line) between Az Zaytūnīyah and Jericho is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Jericho is certainly longer, as only the direct route (as the crow flies) between Az Zaytūnīyah and Jericho has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles