The calculated distance (air line) between Dayr Sāmit and Bayt Lāhyā is approximately 28 miles respectively 46 kilometers.
By car or train, the actual journey to Bayt Lāhyā is certainly longer, as only the direct route (as the crow flies) between Dayr Sāmit and Bayt Lāhyā has been calculated here.
Air line (approximately)
46 kilometers
25 nautical miles