Indiana is about 119 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 Indiana is approximately 92,895 sq km, making Indiana 11,794% larger than New York City.
Tip: This to-scale comparison of New York City vs. Indiana uses the Mercator projection, which distorts the size of regions near the poles.