Delaware is about 1.3 times bigger than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while Delaware is approximately 5,060 sq km, making Delaware 30% larger than South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. Delaware uses the Mercator projection, which distorts the size of regions near the poles.

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