Belém
273 km²
Rio de Janeiro
1,285 km²
City Map Compare/Belém vs Rio de Janeirovs
vs
5 km
Rio de Janeiro covers 1,285 km² of contiguous built-up land, 4.7× the built-up area of Belém (273 km²).
| Belém | Rio de Janeiro | |
|---|---|---|
| Urban area | Belém | Rio de Janeiro |
| Population (2025) | 2.19 million | 9.85 million |
| Built-up area | 273 km² | 1,285 km² |
| Density | 8,031 /km² | 7,668 /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.