Fort Lauderdale is about 5,701 times smaller than Thailand.

Thailand is approximately 513,120 sq km, while Fort Lauderdale (excluding the city's 9.9 sq km of water area) is approximately 90 sq km, making Fort Lauderdale 0.02% the size of Thailand.
Tip: This to-scale comparison of Thailand vs. Fort Lauderdale uses the Mercator projection, which distorts the size of regions near the poles.