The calculated distance (air line) between Santana de Parnaíba and São Lourenço da Serra is approximately 28 miles respectively 45 kilometers.
By car or train, the actual journey to São Lourenço da Serra is certainly longer, as only the direct route (as the crow flies) between Santana de Parnaíba and São Lourenço da Serra has been calculated here.
Air line (approximately)
45 kilometers
25 nautical miles