The calculated distance (air line) between Duque de Caxias and Paraíba do Sul is approximately 43 miles respectively 70 kilometers.
By car or train, the actual journey to Paraíba do Sul is certainly longer, as only the direct route (as the crow flies) between Duque de Caxias and Paraíba do Sul has been calculated here.
Air line (approximately)
70 kilometers
38 nautical miles