The calculated distance (air line) between Ganei Tikva and Kfar Saba is approximately 8 miles respectively 13 kilometers.
By car or train, the actual journey to Kfar Saba is certainly longer, as only the direct route (as the crow flies) between Ganei Tikva and Kfar Saba has been calculated here.
Air line (approximately)
13 kilometers
7 nautical miles