The calculated distance (air line) between Duque de Caxias and Cabo Frio is approximately 82 miles respectively 132 kilometers.
By car or train, the actual journey to Cabo Frio is certainly longer, as only the direct route (as the crow flies) between Duque de Caxias and Cabo Frio has been calculated here.
Air line (approximately)
132 kilometers
71 nautical miles