The calculated distance (air line) between Beit Jann and Modiin Ilit is approximately 74 miles respectively 119 kilometers.
By car or train, the actual journey to Modiin Ilit is certainly longer, as only the direct route (as the crow flies) between Beit Jann and Modiin Ilit has been calculated here.
Air line (approximately)
119 kilometers
64 nautical miles