The calculated distance (air line) between Yoqne‘am ‘Illit and Rosh Ha‘Ayin is approximately 40 miles respectively 64 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 Yoqne‘am ‘Illit and Rosh Ha‘Ayin has been calculated here.
Air line (approximately)
64 kilometers
34 nautical miles