The calculated distance (air line) between Al Khuşūş and As Sinbillāwayn is approximately 51 miles respectively 82 kilometers.
By car or train, the actual journey to As Sinbillāwayn is certainly longer, as only the direct route (as the crow flies) between Al Khuşūş and As Sinbillāwayn has been calculated here.
Air line (approximately)
82 kilometers
44 nautical miles