The calculated distance (air line) between Baytā al Fawqā and Rafaḩ is approximately 85 miles respectively 136 kilometers.
By car or train, the actual journey to Rafaḩ is certainly longer, as only the direct route (as the crow flies) between Baytā al Fawqā and Rafaḩ has been calculated here.
Air line (approximately)
136 kilometers
74 nautical miles