The calculated distance (air line) between Rio Casca and Duque de Caxias is approximately 182 miles respectively 293 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 Rio Casca and Duque de Caxias has been calculated here.
Air line (approximately)
293 kilometers
158 nautical miles