What is the closest major city to Great Barrier Reef?

Cairns is the closest major city to the Great Barrier Reef. It is located in the state of Queensland, Australia, and serves as a gateway to the world's largest coral reef system. Cairns is approximately 145 miles (230 kilometers) west of the outer edge of the Great Barrier Reef.

The city serves as a popular base for tourists and scuba divers who come to experience the incredible biodiversity and beauty of the reef. From Cairns, visitors can access the Great Barrier Reef through various boat tours, liveaboard trips, and scenic flights.

The Great Barrier Reef stretches over 2,300 km (1,400 miles) along the coast of Queensland and comprises numerous coral reefs, islands, and cays. It offers an awe-inspiring underwater world, including colorful corals, diverse fish species, sea turtles, dolphins, and whales. Visitors can explore the reef by snorkeling, scuba diving, or simply relaxing on the pristine beaches and islands found within the reef system.