The calculated distance (air line) between Khārās and An Nuşayrāt is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to An Nuşayrāt is certainly longer, as only the direct route (as the crow flies) between Khārās and An Nuşayrāt has been calculated here.
Air line (approximately)
64 kilometers
35 nautical miles