The calculated distance (air line) between Rosh Ha‘Ayin and Umm el Faḥm is approximately 31 miles respectively 50 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 Rosh Ha‘Ayin and Umm el Faḥm has been calculated here.
Air line (approximately)
50 kilometers
27 nautical miles