The calculated distance (air line) between Az̧ Z̧āhirīyah and Jericho is approximately 42 miles respectively 68 kilometers.
By car or train, the actual journey to Jericho is certainly longer, as only the direct route (as the crow flies) between Az̧ Z̧āhirīyah and Jericho has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles