The calculated distance (air line) between Jisr ez Zarqā and Rosh Ha‘Ayin is approximately 31 miles respectively 49 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 Jisr ez Zarqā and Rosh Ha‘Ayin has been calculated here.
Air line (approximately)
49 kilometers
27 nautical miles