Indiana is about 24 times bigger than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while Indiana is approximately 92,895 sq km, making Indiana 2,280% larger than South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. Indiana uses the Mercator projection, which distorts the size of regions near the poles.

Compare further: Indiana vs. South Georgia and South Sandwich Islands