The calculated distance (air line) between Guapimirim and Nova Iguaçu is approximately 34 miles respectively 54 kilometers.
By car or train, the actual journey to Nova Iguaçu is certainly longer, as only the direct route (as the crow flies) between Guapimirim and Nova Iguaçu has been calculated here.
Air line (approximately)
54 kilometers
29 nautical miles