The calculated distance (air line) between São João da Barra and Nova Iguaçu is approximately 172 miles respectively 277 kilometers.
By car or train, the actual journey to Nova Iguaçu is certainly longer, as only the direct route (as the crow flies) between São João da Barra and Nova Iguaçu has been calculated here.
Air line (approximately)
277 kilometers
149 nautical miles