The calculated distance (air line) between Za‘tarah and Bayt Ḩānūn is approximately 43 miles respectively 70 kilometers.
By car or train, the actual journey to Bayt Ḩānūn is certainly longer, as only the direct route (as the crow flies) between Za‘tarah and Bayt Ḩānūn has been calculated here.
Air line (approximately)
70 kilometers
38 nautical miles