The calculated distance (air line) between Dayr Abū Ḑa‘īf and Bayt Lāhyā is approximately 81 miles respectively 130 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 Abū Ḑa‘īf and Bayt Lāhyā has been calculated here.
Air line (approximately)
130 kilometers
70 nautical miles