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London vs Rome

London is about 1.2× larger than Rome by administrative area. London (United Kingdom) covers 1,572 km² (607 mi²) with a population of 8.8 million, while Rome (Italy) covers 1,287 km² (497 mi²) with 2.7 million residents.

Metric London Rome
Area 1,572 km² 1,287 km²
Area (mi²) 607 mi² 497 mi²
Population 8,799,728 2,748,109
Population density 5,598 /km² 2,135 /km²
Area ratioLondon is ~1.2× larger by area than Rome.

Frequently asked questions

Is London bigger than Rome?

Yes — London is about 1.2× larger by area: 1,572 km² vs 1,287 km².

How big is London?

London, United Kingdom, covers about 1,572 km² (607 mi²) of administrative area.

How big is Rome?

Rome, Italy, covers about 1,287 km² (497 mi²) of administrative area.

Which city has more people, London or Rome?

London has the larger population: 8.8 million vs 2.7 million. Population density is about 5,598 people/km² in London and 2,135 people/km² in Rome.

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City boundaries from OpenStreetMap. Last updated 2026-08-26.

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