Haiti is about 7 times bigger than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while Haiti is approximately 27,750 sq km, making Haiti 611% larger than South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. Haiti uses the Mercator projection, which distorts the size of regions near the poles.
Compare further: Haiti vs. South Georgia and South Sandwich Islands