The calculated distance (air line) between Rosh Ha‘Ayin and Givatayim is approximately 9 miles respectively 14 kilometers.
By car or train, the actual journey to Givatayim is certainly longer, as only the direct route (as the crow flies) between Rosh Ha‘Ayin and Givatayim has been calculated here.
Air line (approximately)
14 kilometers
7 nautical miles