The calculated distance (air line) between Modiin Ilit and Ness Ziona is approximately 14 miles respectively 23 kilometers.
By car or train, the actual journey to Ness Ziona is certainly longer, as only the direct route (as the crow flies) between Modiin Ilit and Ness Ziona has been calculated here.
Air line (approximately)
23 kilometers
13 nautical miles