The calculated distance (air line) between Al Khaḑir and An Nuşayrāt is approximately 49 miles respectively 78 kilometers.
By car or train, the actual journey to An Nuşayrāt is certainly longer, as only the direct route (as the crow flies) between Al Khaḑir and An Nuşayrāt has been calculated here.
Air line (approximately)
78 kilometers
42 nautical miles