Fort Wayne is about 1.8 times bigger than Amsterdam.

Amsterdam is approximately 166 sq km, while Fort Wayne (map shows its 315 named neighbourhoods; the area covers the whole city) is approximately 289 sq km, making Fort Wayne 75% larger than Amsterdam.
Tip: This to-scale comparison of Amsterdam vs. Fort Wayne 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.