The calculated distance (air line) between Al ‘Ubaydīyah and Jericho is approximately 14 miles respectively 22 kilometers.
By car or train, the actual journey to Jericho is certainly longer, as only the direct route (as the crow flies) between Al ‘Ubaydīyah and Jericho has been calculated here.
Air line (approximately)
22 kilometers
12 nautical miles