The calculated distance (air line) between Kiryat Ono and Umm el Faḥm is approximately 36 miles respectively 58 kilometers.
By car or train, the actual journey to Umm el Faḥm is certainly longer, as only the direct route (as the crow flies) between Kiryat Ono and Umm el Faḥm has been calculated here.
Air line (approximately)
58 kilometers
31 nautical miles