The calculated distance (air line) between Ar Rām wa Ḑāḩiyat al Barīd and Janīn is approximately 42 miles respectively 68 kilometers.
By car or train, the actual journey to Janīn is certainly longer, as only the direct route (as the crow flies) between Ar Rām wa Ḑāḩiyat al Barīd and Janīn has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles