Birmingham
685 km²
London
1,649 km²
City Map Compare/Birmingham vs Londonvs
vs
2 km
London covers 1,649 km² of contiguous built-up land, 2.4× the built-up area of Birmingham (685 km²).
| Birmingham | London | |
|---|---|---|
| Urban area | Birmingham | London |
| Population (2025) | 2.62 million | 10.4 million |
| Built-up area | 685 km² | 1,649 km² |
| Density | 3,821 /km² | 6,312 /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.