Warsaw is about 2 times bigger than Lincoln.

Lincoln (map shows its 45 named neighbourhoods; the area covers the whole city) is approximately 262 sq km, while Warsaw is approximately 517 sq km, making Warsaw 98% larger than Lincoln.
Tip: This to-scale comparison of Lincoln vs. Warsaw 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.