Cocos (Keeling) Islands is about 650 times smaller than Puerto Rico.

Puerto Rico is approximately 9,104 sq km, while Cocos (Keeling) Islands is approximately 14 sq km, making Cocos (Keeling) Islands 0.15% the size of Puerto Rico. Meanwhile, the population of Puerto Rico is ~3.1 million people (3.1 million fewer people live in Cocos (Keeling) Islands).
Tip: This to-scale comparison of Puerto Rico vs. Cocos (Keeling) Islands uses the Mercator projection, which distorts the size of regions near the poles.
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