The calculated distance (air line) between Zinjibār and Aḑ Ḑāli‘ is approximately 59 miles respectively 94 kilometers.
By car or train, the actual journey to Aḑ Ḑāli‘ is certainly longer, as only the direct route (as the crow flies) between Zinjibār and Aḑ Ḑāli‘ has been calculated here.