The calculated distance (air line) between Carmo da Cachoeira and Ribeirão Preto is approximately 168 miles respectively 270 kilometers.
By car or train, the actual journey to Ribeirão Preto is certainly longer, as only the direct route (as the crow flies) between Carmo da Cachoeira and Ribeirão Preto has been calculated here.
Air line (approximately)
270 kilometers
146 nautical miles