The calculated distance (air line) between Ramat HaSharon and Rosh Ha‘Ayin is approximately 8 miles respectively 12 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 Ramat HaSharon and Rosh Ha‘Ayin has been calculated here.
Air line (approximately)
12 kilometers
7 nautical miles