San Marino is about 4,404 times smaller than Colorado.

Colorado is approximately 268,627 sq km, while San Marino is approximately 61 sq km, making San Marino 0.02% the size of Colorado. Meanwhile, the population of Colorado is ~5.0 million people (5.0 million fewer people live in San Marino).
This to-scale comparison of Colorado vs. San Marino uses the Mercator projection, which distorts the size of regions near the poles. Learn more.

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