The calculated distance (air line) between As Sālimīyah and Al Faḩāḩīl is approximately 18 miles respectively 28 kilometers.
By car or train, the actual journey to Al Faḩāḩīl is certainly longer, as only the direct route (as the crow flies) between As Sālimīyah and Al Faḩāḩīl has been calculated here.
Air line (approximately)
28 kilometers
15 nautical miles