The calculated distance (air line) between Bayān and Nāḩiyat al Fuhūd is approximately 140 miles respectively 225 kilometers.
By car or train, the actual journey to Nāḩiyat al Fuhūd is certainly longer, as only the direct route (as the crow flies) between Bayān and Nāḩiyat al Fuhūd has been calculated here.
Air line (approximately)
225 kilometers
121 nautical miles