Seattle is about 474 times smaller than Iceland.

Iceland is approximately 103,000 sq km, while Seattle is approximately 217 sq km, making Seattle 0.21% the size of Iceland.
Tip: This to-scale comparison of Iceland vs. Seattle uses the Mercator projection, which distorts the size of regions near the poles.
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.