The calculated distance (air line) between Santo Antônio de Posse and Ribeirão Preto is approximately 114 miles respectively 184 kilometers.
By car or train, the actual journey to Ribeirão Preto is certainly longer, as only the direct route (as the crow flies) between Santo Antônio de Posse and Ribeirão Preto has been calculated here.
Air line (approximately)
184 kilometers
99 nautical miles