The calculated distance (air line) between Az Zabadānī and Dārayyā is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Dārayyā is certainly longer, as only the direct route (as the crow flies) between Az Zabadānī and Dārayyā has been calculated here.
Air line (approximately)
32 kilometers
17 nautical miles