The calculated distance (air line) between Al Maḩwīt and Aḑ Ḑāli‘ is approximately 146 miles respectively 235 kilometers.
By car or train, the actual journey to Aḑ Ḑāli‘ is certainly longer, as only the direct route (as the crow flies) between Al Maḩwīt and Aḑ Ḑāli‘ has been calculated here.