The calculated distance (air line) between Baytā al Fawqā and Bethlehem is approximately 31 miles respectively 49 kilometers.
By car or train, the actual journey to Bethlehem is certainly longer, as only the direct route (as the crow flies) between Baytā al Fawqā and Bethlehem has been calculated here.
Air line (approximately)
49 kilometers
27 nautical miles