Amsterdam is about 1.3 times bigger than Long Beach.

Long Beach is approximately 131 sq km, while Amsterdam is approximately 166 sq km, making Amsterdam 26% larger than Long Beach.
Tip: This to-scale comparison of Long Beach vs. Amsterdam 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.