New York is about 31 times bigger than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while New York is approximately 122,283 sq km, making New York 3,033% larger than South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. New York uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: New York vs. South Georgia and South Sandwich Islands