The calculated distance (air line) between As Sulaymānīyah and Bayjī is approximately 118 miles respectively 190 kilometers.
By car or train, the actual journey to Bayjī is certainly longer, as only the direct route (as the crow flies) between As Sulaymānīyah and Bayjī has been calculated here.
Air line (approximately)
190 kilometers
103 nautical miles