Michigan is about 64 times bigger than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while Michigan is approximately 250,493 sq km, making Michigan 6,318% larger than South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. Michigan uses the Mercator projection, which distorts the size of regions near the poles.

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