The calculated distance (air line) between Nāḩiyat al Fuhūd and Al Farwānīyah is approximately 138 miles respectively 223 kilometers.
By car or train, the actual journey to Al Farwānīyah is certainly longer, as only the direct route (as the crow flies) between Nāḩiyat al Fuhūd and Al Farwānīyah has been calculated here.
Air line (approximately)
223 kilometers
120 nautical miles