The calculated distance (air line) between Nova Iguaçu and Cachoeiras de Macacu is approximately 55 miles respectively 88 kilometers.
By car or train, the actual journey to Cachoeiras de Macacu is certainly longer, as only the direct route (as the crow flies) between Nova Iguaçu and Cachoeiras de Macacu has been calculated here.
Air line (approximately)
88 kilometers
48 nautical miles