The calculated distance (air line) between Nahiyat Ghammas and Ash Shāmīyah is approximately 15 miles respectively 24 kilometers.
By car or train, the actual journey to Ash Shāmīyah is certainly longer, as only the direct route (as the crow flies) between Nahiyat Ghammas and Ash Shāmīyah has been calculated here.
Air line (approximately)
24 kilometers
13 nautical miles