The calculated distance (air line) between Deir Ḥannā and Herzliya is approximately 57 miles respectively 92 kilometers.
By car or train, the actual journey to Herzliya is certainly longer, as only the direct route (as the crow flies) between Deir Ḥannā and Herzliya has been calculated here.
Air line (approximately)
92 kilometers
50 nautical miles