The calculated distance (air line) between As Sulaymānīyah and Būkān is approximately 79 miles respectively 127 kilometers.
By car or train, the actual journey to Būkān is certainly longer, as only the direct route (as the crow flies) between As Sulaymānīyah and Būkān has been calculated here.
Air line (approximately)
127 kilometers
69 nautical miles