City size comparison

compared to

Oslo is about 3.5 times smaller than London.

London (including the 32 boroughs of greater London) is approximately 1,572 sq km, while Oslo is approximately 454 sq km, making Oslo 28.89% the size of London.
Tip: This to-scale comparison of London vs. Oslo uses the Mercator projection, which distorts the size of regions near the poles.
Share

Compare further: Oslo vs. London

Flip Comparison · See true size
See Oslo on top of London
→
Cost of Living Comparison · 7 categories - 2026 data
London is 77.6% more expensive than Oslo
→
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