The calculated distance (air line) between Kokhav Ya‘aqov and Janīn is approximately 40 miles respectively 65 kilometers.
By car or train, the actual journey to Janīn is certainly longer, as only the direct route (as the crow flies) between Kokhav Ya‘aqov and Janīn has been calculated here.
Air line (approximately)
65 kilometers
35 nautical miles