The calculated distance (air line) between Khārās and Bayt Ḩānūn is approximately 30 miles respectively 49 kilometers.
By car or train, the actual journey to Bayt Ḩānūn is certainly longer, as only the direct route (as the crow flies) between Khārās and Bayt Ḩānūn has been calculated here.
Air line (approximately)
49 kilometers
26 nautical miles