Warsaw is about 4.5 times bigger than Manchester.

Manchester is approximately 116 sq km, while Warsaw is approximately 517 sq km, making Warsaw 347% larger than Manchester.
Tip: This to-scale comparison of Manchester 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.