The calculated distance (air line) between Paraguaçu and Duque de Caxias is approximately 177 miles respectively 285 kilometers.
By car or train, the actual journey to Duque de Caxias is certainly longer, as only the direct route (as the crow flies) between Paraguaçu and Duque de Caxias has been calculated here.
Air line (approximately)
285 kilometers
154 nautical miles