The calculated distance (air line) between Kufa and Ash Shāmīyah is approximately 11 miles respectively 18 kilometers.
By car or train, the actual journey to Ash Shāmīyah is certainly longer, as only the direct route (as the crow flies) between Kufa and Ash Shāmīyah has been calculated here.
Air line (approximately)
18 kilometers
10 nautical miles