The calculated distance (air line) between Al Yāmūn and Bayt Lāhyā is approximately 78 miles respectively 125 kilometers.
By car or train, the actual journey to Bayt Lāhyā is certainly longer, as only the direct route (as the crow flies) between Al Yāmūn and Bayt Lāhyā has been calculated here.
Air line (approximately)
125 kilometers
68 nautical miles