Amsterdam is about 1.4 times bigger than Eugene.

Eugene is approximately 115 sq km, while Amsterdam is approximately 166 sq km, making Amsterdam 44% larger than Eugene.
Tip: This to-scale comparison of Eugene 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.