The calculated distance (air line) between Ar Rām wa Ḑāḩiyat al Barīd and Jabālyā is approximately 49 miles respectively 80 kilometers.
By car or train, the actual journey to Jabālyā is certainly longer, as only the direct route (as the crow flies) between Ar Rām wa Ḑāḩiyat al Barīd and Jabālyā has been calculated here.
Air line (approximately)
80 kilometers
43 nautical miles