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