The calculated distance (air line) between Tel Mond and Rishon LeTsiyyon is approximately 21 miles respectively 33 kilometers.
By car or train, the actual journey to Rishon LeTsiyyon is certainly longer, as only the direct route (as the crow flies) between Tel Mond and Rishon LeTsiyyon has been calculated here.
Air line (approximately)
33 kilometers
18 nautical miles