San Marino is about 2,459 times smaller than Georgia.

Georgia is approximately 149,976 sq km, while San Marino is approximately 61 sq km, making San Marino 0.04% the size of Georgia. Meanwhile, the population of Georgia is ~9.7 million people (9.7 million fewer people live in San Marino).
Tip: This to-scale comparison of Georgia vs. San Marino uses the Mercator projection, which distorts the size of regions near the poles.