The calculated distance (air line) between Katzrin and Umm el Faḥm is approximately 45 miles respectively 73 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 Katzrin and Umm el Faḥm has been calculated here.
Air line (approximately)
73 kilometers
39 nautical miles