Aurora is about 2.6 times bigger than Amsterdam.

Amsterdam is approximately 166 sq km, while Aurora (map shows its 53 named neighbourhoods; the area covers the whole city) is approximately 425 sq km, making Aurora 156% larger than Amsterdam.
Tip: This to-scale comparison of Amsterdam vs. Aurora 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.