The calculated distance (air line) between Dhī as Sufāl and Aḑ Ḑāli‘ is approximately 42 miles respectively 68 kilometers.
By car or train, the actual journey to Aḑ Ḑāli‘ is certainly longer, as only the direct route (as the crow flies) between Dhī as Sufāl and Aḑ Ḑāli‘ has been calculated here.
Air line (approximately)
68 kilometers
37 nautical miles