California is about 1.7 times smaller than Burma.

Burma is approximately 676,578 sq km, while California is approximately 403,882 sq km, making California 59.69% the size of Burma. Meanwhile, the population of Burma is ~57.5 million people (20.3 million fewer people live in California).
Tip: This to-scale comparison of Burma vs. California uses the Mercator projection, which distorts the size of regions near the poles.