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