The calculated distance (air line) between El‘ad and Rishon LeTsiyyon is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Rishon LeTsiyyon is certainly longer, as only the direct route (as the crow flies) between El‘ad and Rishon LeTsiyyon has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles