The calculated distance (air line) between Ar Rābiyah and Ar Riqqah is approximately 14 miles respectively 23 kilometers.
By car or train, the actual journey to Ar Riqqah is certainly longer, as only the direct route (as the crow flies) between Ar Rābiyah and Ar Riqqah has been calculated here.
Air line (approximately)
23 kilometers
12 nautical miles