The calculated distance (air line) between Az̧ Z̧āhirīyah and East Jerusalem is approximately 30 miles respectively 48 kilometers.
By car or train, the actual journey to East Jerusalem is certainly longer, as only the direct route (as the crow flies) between Az̧ Z̧āhirīyah and East Jerusalem has been calculated here.
Air line (approximately)
48 kilometers
26 nautical miles