The calculated distance (air line) between Bu'ayna-Nujaydat and Umm el Faḥm is approximately 24 miles respectively 38 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 Bu'ayna-Nujaydat and Umm el Faḥm has been calculated here.
Air line (approximately)
38 kilometers
21 nautical miles