Florida is about 3.3 times smaller than Papua New Guinea.

Papua New Guinea is approximately 462,840 sq km, while Florida is approximately 139,670 sq km, making Florida 30.18% the size of Papua New Guinea. Meanwhile, the population of Papua New Guinea is ~9.6 million people (9.2 million more people live in Florida).
Tip: This to-scale comparison of Papua New Guinea vs. Florida uses the Mercator projection, which distorts the size of regions near the poles.