The calculated distance (air line) between Az Zaytūnīyah and Dūrā is approximately 32 miles respectively 51 kilometers.
By car or train, the actual journey to Dūrā is certainly longer, as only the direct route (as the crow flies) between Az Zaytūnīyah and Dūrā has been calculated here.
Air line (approximately)
51 kilometers
28 nautical miles