The calculated distance (air line) between Dayr Sāmit and Rafaḩ is approximately 46 miles respectively 74 kilometers.
By car or train, the actual journey to Rafaḩ is certainly longer, as only the direct route (as the crow flies) between Dayr Sāmit and Rafaḩ has been calculated here.
Air line (approximately)
74 kilometers
40 nautical miles