The calculated distance (air line) between Tsur Itshak and Bet Shemesh is approximately 35 miles respectively 57 kilometers.
By car or train, the actual journey to Bet Shemesh is certainly longer, as only the direct route (as the crow flies) between Tsur Itshak and Bet Shemesh has been calculated here.
Air line (approximately)
57 kilometers
31 nautical miles