City size comparison

compared to

London is about 92 times smaller than Illinois.

Illinois is approximately 143,961 sq km, while London (including the 32 boroughs of greater London) is approximately 1,572 sq km, making London 1.09% the size of Illinois.
Tip: This to-scale comparison of Illinois vs. London uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: London vs. Illinois

Flip Comparison · See true size
See London on top of Illinois
→
Cost of Living Comparison · 7 categories - 2026 data
Illinois is 21.1% cheaper than London
→
Our free app, MapSize by MyLifeElsewhere — compare any two places, to scale on your mobile device.
Download on the App Store GET IT ON Google Play