The calculated distance (air line) between Giv'at Shmuel and Ness Ziona is approximately 11 miles respectively 17 kilometers.
By car or train, the actual journey to Ness Ziona is certainly longer, as only the direct route (as the crow flies) between Giv'at Shmuel and Ness Ziona has been calculated here.
Air line (approximately)
17 kilometers
9 nautical miles