Washington is about 44 times bigger than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while Washington is approximately 172,348 sq km, making Washington 4,316% larger than South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. Washington uses the Mercator projection, which distorts the size of regions near the poles.

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