The calculated distance (air line) between Arraial do Cabo and Duque de Caxias is approximately 83 miles respectively 133 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 Arraial do Cabo and Duque de Caxias has been calculated here.
Air line (approximately)
133 kilometers
72 nautical miles