Oklahoma is about 1,976 times bigger than Fort Lauderdale.

Fort Lauderdale (excluding the city's 9.9 sq km of water area) is approximately 90 sq km, while Oklahoma is approximately 177,847 sq km, making Oklahoma 197,508% larger than Fort Lauderdale.
Tip: This to-scale comparison of Fort Lauderdale vs. Oklahoma uses the Mercator projection, which distorts the size of regions near the poles.