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