The calculated distance (air line) between Camanducaia and Duque de Caxias is approximately 181 miles respectively 290 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 Camanducaia and Duque de Caxias has been calculated here.
Air line (approximately)
290 kilometers
157 nautical miles