The calculated distance (air line) between Areal and Duque de Caxias is approximately 41 miles respectively 65 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 Areal and Duque de Caxias has been calculated here.
Air line (approximately)
65 kilometers
35 nautical miles