The calculated distance (air line) between Jawf al Maqbābah and Aḑ Ḑāli‘ is approximately 75 miles respectively 120 kilometers.
By car or train, the actual journey to Aḑ Ḑāli‘ is certainly longer, as only the direct route (as the crow flies) between Jawf al Maqbābah and Aḑ Ḑāli‘ has been calculated here.
Air line (approximately)
120 kilometers
65 nautical miles