The calculated distance (air line) between São Bernardo do Campo and Barra Mansa is approximately 172 miles respectively 276 kilometers.
By car or train, the actual journey to Barra Mansa is certainly longer, as only the direct route (as the crow flies) between São Bernardo do Campo and Barra Mansa has been calculated here.
Air line (approximately)
276 kilometers
149 nautical miles