The calculated distance (air line) between Duque de Caxias and Barra Mansa is approximately 57 miles respectively 92 kilometers.
By car or train, the actual journey to Barra Mansa is certainly longer, as only the direct route (as the crow flies) between Duque de Caxias and Barra Mansa has been calculated here.
Air line (approximately)
92 kilometers
50 nautical miles