The calculated distance (air line) between Zikhron Ya‘aqov and Reẖovot is approximately 47 miles respectively 76 kilometers.
By car or train, the actual journey to Reẖovot is certainly longer, as only the direct route (as the crow flies) between Zikhron Ya‘aqov and Reẖovot has been calculated here.
Air line (approximately)
76 kilometers
41 nautical miles