The calculated distance (air line) between Bayt Kāḩil and Bayt Lāhyā is approximately 34 miles respectively 54 kilometers.
By car or train, the actual journey to Bayt Lāhyā is certainly longer, as only the direct route (as the crow flies) between Bayt Kāḩil and Bayt Lāhyā has been calculated here.
Air line (approximately)
54 kilometers
29 nautical miles