The calculated distance (air line) between Bayt Fajjār and Rafaḩ is approximately 58 miles respectively 94 kilometers.
By car or train, the actual journey to Rafaḩ is certainly longer, as only the direct route (as the crow flies) between Bayt Fajjār and Rafaḩ has been calculated here.
Air line (approximately)
94 kilometers
51 nautical miles