The calculated distance (air line) between Madīnat ash Shamāl and Al Wukayr is approximately 71 miles respectively 114 kilometers.
By car or train, the actual journey to Al Wukayr is certainly longer, as only the direct route (as the crow flies) between Madīnat ash Shamāl and Al Wukayr has been calculated here.
Air line (approximately)
114 kilometers
61 nautical miles