The calculated distance (air line) between Haifa and Umm el Faḥm is approximately 23 miles respectively 37 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 Haifa and Umm el Faḥm has been calculated here.
Air line (approximately)
37 kilometers
20 nautical miles