London vs Barcelona
London is about 16× larger than Barcelona by administrative area. London (United Kingdom) covers 1,572 km² (607 mi²) with a population of 8.8 million, while Barcelona (Spain) covers 101 km² (39 mi²) with 1.7 million residents.
| Metric | London | Barcelona |
|---|---|---|
| Area | 1,572 km² | 101 km² |
| Area (mi²) | 607 mi² | 39 mi² |
| Population | 8,799,728 | 1,686,208 |
| Population density | 5,598 /km² | 16,629 /km² |
| Area ratio | London is ~16× larger by area than Barcelona. | |
Frequently asked questions
Is London bigger than Barcelona?
Yes — London is about 16× larger by area: 1,572 km² vs 101 km².
How big is London?
London, United Kingdom, covers about 1,572 km² (607 mi²) of administrative area.
How big is Barcelona?
Barcelona, Spain, covers about 101 km² (39 mi²) of administrative area.
Which city has more people, London or Barcelona?
London has the larger population: 8.8 million vs 1.7 million. Population density is about 5,598 people/km² in London and 16,629 people/km² in Barcelona.
City boundaries from OpenStreetMap. Last updated 2026-08-26.
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