The calculated distance (air line) between Nāḩiyat al Fuhūd and Al Fāw is approximately 125 miles respectively 201 kilometers.
By car or train, the actual journey to Al Fāw is certainly longer, as only the direct route (as the crow flies) between Nāḩiyat al Fuhūd and Al Fāw has been calculated here.
Air line (approximately)
201 kilometers
108 nautical miles