The calculated distance (air line) between São Caetano do Sul and Biritiba Mirim is approximately 33 miles respectively 53 kilometers.
By car or train, the actual journey to Biritiba Mirim is certainly longer, as only the direct route (as the crow flies) between São Caetano do Sul and Biritiba Mirim has been calculated here.
Air line (approximately)
53 kilometers
28 nautical miles