The calculated distance (air line) between Bayt ‘Awwā and Bethlehem is approximately 20 miles respectively 32 kilometers.
By car or train, the actual journey to Bethlehem is certainly longer, as only the direct route (as the crow flies) between Bayt ‘Awwā and Bethlehem has been calculated here.
Air line (approximately)
32 kilometers
18 nautical miles