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India
Australia
Area Comparison
Mumbai is 20.5x smaller than Sydney
Population Comparison
Mumbai has 2.3x more people than Sydney
Sydney is significantly larger, covering 20.5 times the area of Mumbai. Sydney spans 12,368 km² (4,775 mi²) while Mumbai covers 603 km² (233 mi²) — a difference of 11,765 km². You could fit Mumbai inside Sydney approximately 20 times.
To put Mumbai's size in perspective, its area of 603 km² is roughly the same size as Seoul. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
India's financial capital and most populous city. Known as "The City of Dreams", Mumbai covers 603 km² with a population of 12.4 million. The city was established in 1507. Mumbai is known for Gateway of India, Bollywood film industry, Marine Drive, among other attractions. The city's main transit system is the Mumbai Suburban Railway.
Mumbai's dabbawalas deliver 200,000 lunchboxes daily with an error rate of 1 in 16 million
Australia's largest city, known for the Opera House. Also known as "The Harbour City", Sydney has an area of 12,368 km² and is home to 5.3 million people. The city dates back to 1788. Visitors come for Sydney Opera House, Harbour Bridge, Bondi Beach, and much more. Getting around is easy with the Sydney Trains.
Sydney's administrative area is so large it stretches from the coast to the Blue Mountains foothills
Looking beyond city limits, the Sydney metropolitan area covers 12,368 km², which is 1.9x larger than greater Mumbai at 6,355 km². The Mumbai metro area is also more populous, with 20.7 million people compared to 5.3 million.
Mumbai has a population density of 20,630 people per km² — one of the most densely packed urban areas on Earth. Sydney, with 429 people per km², is a low-density, sprawling urban area. Mumbai is dramatically more crowded, with 48.1x the population density.
This comparison spans continents — Mumbai in Asia versus Sydney in Oceania. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Mumbai has a tropical wet and dry climate while Sydney experiences humid subtropical conditions. When it's noon in Sydney, it's 7.5:00 AM in Mumbai — a 4.5-hour time difference.
Size Ratio
Mumbai fits inside Sydney ~20 times
Density Gap
Mumbai is 48.1x more densely populated
Time Difference
4.5 hours apart
History
Mumbai is ~281 years older
The straight-line distance from Mumbai to Sydney is 10,157 km (6,311 miles), with an estimated flight time of ~12h 27m. See full distance details, including timezone difference and city facts.
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