The calculated distance (air line) between Dayr Abū Ḑa‘īf and Bayt Ḩānūn is approximately 80 miles respectively 129 kilometers.
By car or train, the actual journey to Bayt Ḩānūn is certainly longer, as only the direct route (as the crow flies) between Dayr Abū Ḑa‘īf and Bayt Ḩānūn has been calculated here.
Air line (approximately)
129 kilometers
69 nautical miles