The calculated distance (air line) between Duque de Caxias and Saquarema is approximately 54 miles respectively 87 kilometers.
By car or train, the actual journey to Saquarema is certainly longer, as only the direct route (as the crow flies) between Duque de Caxias and Saquarema has been calculated here.
Air line (approximately)
87 kilometers
47 nautical miles