The calculated distance (air line) between Yaţţā and Dayr al Balaḩ is approximately 44 miles respectively 71 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 Yaţţā and Dayr al Balaḩ has been calculated here.
Air line (approximately)
71 kilometers
38 nautical miles