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