The calculated distance (air line) between Bu'ayna-Nujaydat and Modiin Ilit is approximately 64 miles respectively 102 kilometers.
By car or train, the actual journey to Modiin Ilit is certainly longer, as only the direct route (as the crow flies) between Bu'ayna-Nujaydat and Modiin Ilit has been calculated here.
Air line (approximately)
102 kilometers
55 nautical miles