The calculated distance (air line) between Jarābulus and Al Qāmishlī is approximately 179 miles respectively 287 kilometers.
By car or train, the actual journey to Al Qāmishlī is certainly longer, as only the direct route (as the crow flies) between Jarābulus and Al Qāmishlī has been calculated here.
Air line (approximately)
287 kilometers
155 nautical miles