The calculated distance (air line) between Kfar Yasif and Modiin Ilit is approximately 71 miles respectively 114 kilometers.
By car or train, the actual journey to Modiin Ilit is certainly longer, as only the direct route (as the crow flies) between Kfar Yasif and Modiin Ilit has been calculated here.
Air line (approximately)
114 kilometers
62 nautical miles