The calculated distance (air line) between Nesher and Rosh Ha‘Ayin is approximately 47 miles respectively 75 kilometers.
By car or train, the actual journey to Rosh Ha‘Ayin is certainly longer, as only the direct route (as the crow flies) between Nesher and Rosh Ha‘Ayin has been calculated here.
Air line (approximately)
75 kilometers
40 nautical miles