Savannah is about 5 times smaller than Saint Petersburg.

Saint Petersburg is approximately 1,439 sq km, while Savannah is approximately 283 sq km, making Savannah 19.7% the size of Saint Petersburg.
Tip: This to-scale comparison of Saint Petersburg vs. Savannah uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.