The calculated distance (air line) between Bayt Ūmmar and Az̧ Z̧āhirīyah is approximately 17 miles respectively 27 kilometers.
By car or train, the actual journey to Az̧ Z̧āhirīyah is certainly longer, as only the direct route (as the crow flies) between Bayt Ūmmar and Az̧ Z̧āhirīyah has been calculated here.
Air line (approximately)
27 kilometers
14 nautical miles