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Sydney vs Milan

Sydney is about 67× larger than Milan by administrative area. Sydney (Australia) covers 12,145 km² (4,689 mi²) with a population of 5.5 million, while Milan (Italy) covers 182 km² (70 mi²) with 1.4 million residents.

Metric Sydney Milan
Area 12,145 km² 182 km²
Area (mi²) 4,689 mi² 70 mi²
Population 5,450,496 1,354,196
Population density 449 /km² 7,454 /km²
Area ratioSydney is ~67× larger by area than Milan.

Frequently asked questions

Is Sydney bigger than Milan?

Yes — Sydney is about 67× larger by area: 12,145 km² vs 182 km².

How big is Sydney?

Sydney, Australia, covers about 12,145 km² (4,689 mi²) of administrative area.

How big is Milan?

Milan, Italy, covers about 182 km² (70 mi²) of administrative area.

Which city has more people, Sydney or Milan?

Sydney has the larger population: 5.5 million vs 1.4 million. Population density is about 449 people/km² in Sydney and 7,454 people/km² in Milan.

City boundaries from OpenStreetMap. Last updated 2026-08-18.

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