The calculated distance (air line) between Yoqne‘am ‘Illit and Hadera is approximately 19 miles respectively 30 kilometers.
By car or train, the actual journey to Hadera is certainly longer, as only the direct route (as the crow flies) between Yoqne‘am ‘Illit and Hadera has been calculated here.
Air line (approximately)
30 kilometers
16 nautical miles