District of Columbia is about 15 times bigger than Tokelau.

Tokelau is approximately 12 sq km, while District of Columbia is approximately 177 sq km, making District of Columbia 1,375% larger than Tokelau. Meanwhile, the population of Tokelau is ~1,647 people (600,076 more people live in District of Columbia).
Tip: This to-scale comparison of Tokelau vs. District of Columbia uses the Mercator projection, which distorts the size of regions near the poles.