The calculated distance (air line) between Ash Shāmīyah and Ar Riqqah is approximately 16 miles respectively 26 kilometers.
By car or train, the actual journey to Ar Riqqah is certainly longer, as only the direct route (as the crow flies) between Ash Shāmīyah and Ar Riqqah has been calculated here.
Air line (approximately)
26 kilometers
14 nautical miles