The calculated distance (air line) between Dayr Sāmit and An Nuşayrāt is approximately 35 miles respectively 56 kilometers.
By car or train, the actual journey to An Nuşayrāt is certainly longer, as only the direct route (as the crow flies) between Dayr Sāmit and An Nuşayrāt has been calculated here.
Air line (approximately)
56 kilometers
30 nautical miles