London
1,649 km²
Manchester
751 km²
City Map Compare/London vs Manchestervs
vs
2 km
London covers 1,649 km² of contiguous built-up land, 2.2× the built-up area of Manchester (751 km²).
| London | Manchester | |
|---|---|---|
| Urban area | London | Manchester |
| Population (2025) | 10.4 million | 2.54 million |
| Built-up area | 1,649 km² | 751 km² |
| Density | 6,312 /km² | 3,382 /km² |
Urban area = contiguous built-up land and the people living in it in 2025, drawn the same way for every city regardless of administrative boundaries. Source: GHSL Urban Centre Database R2024A, European Commission, Joint Research Centre (CC BY 4.0); some names adjusted to the city names people use, and country attribution follows the dataset.