Seattle is about 1.7 times bigger than Long Beach.

Long Beach is approximately 131 sq km, while Seattle is approximately 217 sq km, making Seattle 66% larger than Long Beach.
Tip: This to-scale comparison of Long Beach 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.