The calculated distance (air line) between Bayān and Al Faḩāḩīl is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Al Faḩāḩīl is certainly longer, as only the direct route (as the crow flies) between Bayān and Al Faḩāḩīl has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles