The calculated distance (air line) between Kokhav Ya‘aqov and Rafaḩ is approximately 71 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 Kokhav Ya‘aqov and Rafaḩ has been calculated here.
Air line (approximately)
115 kilometers
62 nautical miles