The calculated distance (air line) between Ar Rām wa Ḑāḩiyat al Barīd and Bayt Jālā is approximately 10 miles respectively 16 kilometers.
By car or train, the actual journey to Bayt Jālā is certainly longer, as only the direct route (as the crow flies) between Ar Rām wa Ḑāḩiyat al Barīd and Bayt Jālā has been calculated here.
Air line (approximately)
16 kilometers
8 nautical miles