The calculated distance (air line) between Ad Darbāsīyah and Al Qāmishlī is approximately 32 miles respectively 51 kilometers.
By car or train, the actual journey to Al Qāmishlī is certainly longer, as only the direct route (as the crow flies) between Ad Darbāsīyah and Al Qāmishlī has been calculated here.
Air line (approximately)
51 kilometers
28 nautical miles