The calculated distance (air line) between Dabbūrīya and Rosh Ha‘Ayin is approximately 48 miles respectively 77 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 Dabbūrīya and Rosh Ha‘Ayin has been calculated here.
Air line (approximately)
77 kilometers
42 nautical miles