The calculated distance (air line) between Ma‘ale Adummim and Bayt Ḩānūn is approximately 48 miles respectively 77 kilometers.
By car or train, the actual journey to Bayt Ḩānūn is certainly longer, as only the direct route (as the crow flies) between Ma‘ale Adummim and Bayt Ḩānūn has been calculated here.
Air line (approximately)
77 kilometers
42 nautical miles