Oklahoma is about 46 times bigger than South Georgia and South Sandwich Islands.

South Georgia and South Sandwich Islands is approximately 3,903 sq km, while Oklahoma is approximately 177,847 sq km, making Oklahoma 4,457% larger than South Georgia and South Sandwich Islands.
Tip: This to-scale comparison of South Georgia and South Sandwich Islands vs. Oklahoma uses the Mercator projection, which distorts the size of regions near the poles.

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