Fort Lauderdale is about 5,615 times smaller than Spain.

Spain is approximately 505,370 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 Spain.
Tip: This to-scale comparison of Spain vs. Fort Lauderdale uses the Mercator projection, which distorts the size of regions near the poles.