The calculated distance (air line) between Ath Thumāmah Khamsūn and Umm Lakhbā is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to Umm Lakhbā is certainly longer, as only the direct route (as the crow flies) between Ath Thumāmah Khamsūn and Umm Lakhbā has been calculated here.
Air line (approximately)
16 kilometers
9 nautical miles