The calculated distance (air line) between Ḩūsān and Dayr al Balaḩ is approximately 50 miles respectively 81 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 Ḩūsān and Dayr al Balaḩ has been calculated here.
Air line (approximately)
81 kilometers
44 nautical miles