The calculated distance (air line) between As Sulaymānīyah and Piranshahr is approximately 80 miles respectively 129 kilometers.
By car or train, the actual journey to Piranshahr is certainly longer, as only the direct route (as the crow flies) between As Sulaymānīyah and Piranshahr has been calculated here.
Air line (approximately)
129 kilometers
70 nautical miles