The calculated distance (air line) between Kafr Qāsim and Reẖovot is approximately 18 miles respectively 29 kilometers.
By car or train, the actual journey to Reẖovot is certainly longer, as only the direct route (as the crow flies) between Kafr Qāsim and Reẖovot has been calculated here.
Air line (approximately)
29 kilometers
16 nautical miles