Russia is about 21,893 times bigger than New York City.

New York City (including all five boroughs: Manhattan, Brooklyn, Queens, The Bronx, and Staten Island) is approximately 781 sq km, while Russia is approximately 17,098,242 sq km, making Russia 2,189,176% larger than New York City.
Tip: This to-scale comparison of New York City vs. Russia uses the Mercator projection, which distorts the size of regions near the poles.