The calculated distance (air line) between Bet Shemesh and Umm el Faḥm is approximately 55 miles respectively 89 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 Bet Shemesh and Umm el Faḥm has been calculated here.
Air line (approximately)
89 kilometers
48 nautical miles