The calculated distance (air line) between Modi‘in Makkabbim Re‘ut and Umm el Faḥm is approximately 44 miles respectively 71 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 Modi‘in Makkabbim Re‘ut and Umm el Faḥm has been calculated here.
Air line (approximately)
71 kilometers
38 nautical miles