The calculated distance (air line) between Netanya and Umm el Faḥm is approximately 21 miles respectively 34 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 Netanya and Umm el Faḥm has been calculated here.
Air line (approximately)
34 kilometers
19 nautical miles