The calculated distance (air line) between Sīlat az̧ Z̧ahr and Janīn is approximately 12 miles respectively 19 kilometers.
By car or train, the actual journey to Janīn is certainly longer, as only the direct route (as the crow flies) between Sīlat az̧ Z̧ahr and Janīn has been calculated here.
Air line (approximately)
19 kilometers
10 nautical miles