The calculated distance (air line) between Sīlat az̧ Z̧ahr and Dūrā is approximately 57 miles respectively 91 kilometers.
By car or train, the actual journey to Dūrā is certainly longer, as only the direct route (as the crow flies) between Sīlat az̧ Z̧ahr and Dūrā has been calculated here.
Air line (approximately)
91 kilometers
49 nautical miles