The calculated distance (air line) between Arīsh and Dayr Sāmit is approximately 74 miles respectively 120 kilometers.
By car or train, the actual journey to Dayr Sāmit is certainly longer, as only the direct route (as the crow flies) between Arīsh and Dayr Sāmit has been calculated here.
Air line (approximately)
120 kilometers
65 nautical miles