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