The calculated distance (air line) between Al Başrah al Qadīmah and Shūshtar is approximately 123 miles respectively 198 kilometers.
By car or train, the actual journey to Shūshtar is certainly longer, as only the direct route (as the crow flies) between Al Başrah al Qadīmah and Shūshtar has been calculated here.
Air line (approximately)
198 kilometers
107 nautical miles