The calculated distance (air line) between Burj al ‘Arab and Al Khuşūş is approximately 117 miles respectively 188 kilometers.
By car or train, the actual journey to Al Khuşūş is certainly longer, as only the direct route (as the crow flies) between Burj al ‘Arab and Al Khuşūş has been calculated here.
Air line (approximately)
188 kilometers
102 nautical miles