The calculated distance (air line) between Ad Darbāsīyah and Al Ḩasakah is approximately 40 miles respectively 64 kilometers.
By car or train, the actual journey to Al Ḩasakah is certainly longer, as only the direct route (as the crow flies) between Ad Darbāsīyah and Al Ḩasakah has been calculated here.
Air line (approximately)
64 kilometers
35 nautical miles