The calculated distance (air line) between Dayr Abū Ḑa‘īf and Jabālyā is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Jabālyā is certainly longer, as only the direct route (as the crow flies) between Dayr Abū Ḑa‘īf and Jabālyā has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles