The calculated distance (air line) between Geva Binyamin and Rafaḩ is approximately 72 miles respectively 115 kilometers.
By car or train, the actual journey to Rafaḩ is certainly longer, as only the direct route (as the crow flies) between Geva Binyamin and Rafaḩ has been calculated here.
Air line (approximately)
115 kilometers
62 nautical miles