City size comparison

compared to

Cologne is about 3.9 times smaller than London.

London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while Cologne is approximately 405 sq km, making Cologne 25.76% the size of London.
Tip: This to-scale comparison of London vs. Cologne uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: Cologne vs. London

Flip Comparison · See true size
See Cologne on top of London
→
Cost of Living Comparison · 7 categories - 2026 data
London is 51.0% more expensive than Cologne
→
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