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
→