The calculated distance (air line) between Shibīn al Kawm and Diyarb Najm is approximately 29 miles respectively 47 kilometers.
By car or train, the actual journey to Diyarb Najm is certainly longer, as only the direct route (as the crow flies) between Shibīn al Kawm and Diyarb Najm has been calculated here.
Air line (approximately)
47 kilometers
25 nautical miles