The calculated distance (air line) between Hadera and Umm el Faḥm is approximately 15 miles respectively 25 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 Hadera and Umm el Faḥm has been calculated here.
Air line (approximately)
25 kilometers
13 nautical miles