The calculated distance (air line) between Nāḩiyat al Fuhūd and Kuwait City is approximately 134 miles respectively 215 kilometers.
By car or train, the actual journey to Kuwait City is certainly longer, as only the direct route (as the crow flies) between Nāḩiyat al Fuhūd and Kuwait City has been calculated here.
Air line (approximately)
215 kilometers
116 nautical miles