The calculated distance (air line) between Migdal Ha‘Emeq and Herzliya is approximately 43 miles respectively 69 kilometers.
By car or train, the actual journey to Herzliya is certainly longer, as only the direct route (as the crow flies) between Migdal Ha‘Emeq and Herzliya has been calculated here.
Air line (approximately)
69 kilometers
37 nautical miles