The calculated distance (air line) between Umm el Faḥm and Ness Ziona is approximately 46 miles respectively 73 kilometers.
By car or train, the actual journey to Ness Ziona is certainly longer, as only the direct route (as the crow flies) between Umm el Faḥm and Ness Ziona has been calculated here.
Air line (approximately)
73 kilometers
40 nautical miles