Fort Wayne is about 2 times smaller than Chicago.

Chicago is approximately 590 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 49.08% the size of Chicago.
Tip: This to-scale comparison of Chicago 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.