The calculated distance (air line) between Khuzā‘ah and Bayt Lāhyā is approximately 18 miles respectively 30 kilometers.
By car or train, the actual journey to Bayt Lāhyā is certainly longer, as only the direct route (as the crow flies) between Khuzā‘ah and Bayt Lāhyā has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles