The calculated distance (air line) between Naḩḩālīn and Bayt Lāhyā is approximately 38 miles respectively 61 kilometers.
By car or train, the actual journey to Bayt Lāhyā is certainly longer, as only the direct route (as the crow flies) between Naḩḩālīn and Bayt Lāhyā has been calculated here.
Air line (approximately)
61 kilometers
33 nautical miles