The calculated distance (air line) between Ramallah and Bayt Ḩānūn is approximately 47 miles respectively 75 kilometers.
By car or train, the actual journey to Bayt Ḩānūn is certainly longer, as only the direct route (as the crow flies) between Ramallah and Bayt Ḩānūn has been calculated here.
Air line (approximately)
75 kilometers
41 nautical miles