The calculated distance (air line) between Dayr Abū Ḑa‘īf and East Jerusalem is approximately 47 miles respectively 76 kilometers.
By car or train, the actual journey to East Jerusalem is certainly longer, as only the direct route (as the crow flies) between Dayr Abū Ḑa‘īf and East Jerusalem has been calculated here.
Air line (approximately)
76 kilometers
41 nautical miles