The calculated distance (air line) between Kafr ad Dawwār and Diyarb Najm is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Diyarb Najm is certainly longer, as only the direct route (as the crow flies) between Kafr ad Dawwār and Diyarb Najm has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles