The calculated distance (air line) between Az Zaytūnīyah and Dayr al Balaḩ is approximately 60 miles respectively 97 kilometers.
By car or train, the actual journey to Dayr al Balaḩ is certainly longer, as only the direct route (as the crow flies) between Az Zaytūnīyah and Dayr al Balaḩ has been calculated here.
Air line (approximately)
97 kilometers
53 nautical miles