National Route 604 is a significant roadway in Australia, primarily located in the state of Queensland. It serves as a connector between various towns and regions, facilitating transportation and commerce. The route is part of the broader national highway system, which plays a crucial role in the country's infrastructure. The route spans approximately 200 kilometers, linking Cairns to Atherton. It provides access to scenic landscapes and important local attractions, making it a vital corridor for both residents and tourists. National Route 604 enhances connectivity and supports economic activities in the surrounding areas.