Mumbai
603 km²
Rome
1,285 km²
India
Italy
Area Comparison
Mumbai is 2.1x smaller than Rome
Population Comparison
Mumbai has 4.3x more people than Rome
In terms of area, Rome is 2.1x the size of Mumbai. Rome spans 1,285 km² (496 mi²) while Mumbai covers 603 km² (233 mi²) — a difference of 682 km². You could fit Mumbai inside Rome approximately 2 times.
To put Mumbai's size in perspective, its area of 603 km² is roughly the same size as Seoul. Meanwhile, Rome at 1,285 km² is about 1.2x smaller than London.
Picture Mumbai another way: its area is large enough to fit about 84,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan. For Rome, that's about 180,000 American football fields, 22 times the area of Manhattan, or 12 times the area of Paris.
Mumbai, also known as Bombay, is the capital city of the Indian state of Maharashtra. Mumbai is the financial capital and the most populous city proper of India, with an estimated population of 12.5 million (1.25 crore). Mumbai is the centre of the Mumbai Metropolitan Region, which is among the most populous metropolitan areas in the world with a population of over 23 million. Mumbai lies on the Konkan coast on the west coast of India and has a deep natural harbour.
Known as "Bombay", Mumbai covers 603 km² with a population of 12.4 million. The city was established in 1507. Mumbai is known for Gateway of India, Marine Drive, Bollywood, among other attractions. The city's main transit system is the Mumbai Suburban Railway.
Mumbai is the most populous city proper in India and serves as the country's financial capital with around 12.5 million residents.
Rome is the capital city and most populated comune (municipality) of Italy. It is also the administrative centre of the Lazio region and of the Metropolitan City of Rome. A special comune named Roma Capitale with a population of 2.7 million in an area of 1,287.36 km2 (497.1 mi2), Rome is the third most populous city in the European Union by population within city limits. The Metropolitan City of Rome Capital, with a population of 4.2 million, is the most populous metropolitan city in Italy.
Also known as "The Eternal City", Rome has an area of 1,285 km² and is home to 2.9 million people. Its history stretches back to 753 BC. Visitors come for Colosseum, Vatican City, Trevi Fountain, and much more. Getting around is easy with the Rome Metro.
Rome's special comune Roma Capitale spans 1,287 km2, making it the third most populous city in the EU within city limits
Looking beyond city limits, the Mumbai metropolitan area covers 6,355 km², which is 1.2x larger than greater Rome at 5,352 km². The Mumbai metro area is also more populous, with 20.7 million people compared to 4.3 million.
Mumbai has a population density of 20,630 people per km² — one of the most densely packed urban areas on Earth. Rome, with 2,233 people per km², is a moderately dense city. Mumbai is dramatically more crowded, with 9.2x the population density.
This comparison spans continents — Mumbai in Asia versus Rome in Europe. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Mumbai has a tropical wet and dry climate while Rome experiences Mediterranean conditions. Winters differ dramatically: Mumbai stays around 25°C while Rome drops to 8°C. When it's noon in Mumbai, it's 7.5:00 AM in Rome — a 4.5-hour time difference.
Size Ratio
Mumbai fits inside Rome ~2 times
Density Gap
Mumbai is 9.2x more densely populated
Time Difference
4.5 hours apart
History
Rome is ~2,260 years older
Mumbai covers 603 km². Cities with a similar urban footprint include Madrid (604 km²), Seoul (605 km²), Chicago (606 km²), Toronto (630 km²), or Hyderabad (650 km²).
Rome covers 1,285 km². Cities with a similar urban footprint include Los Angeles (1,302 km²), Phoenix (1,341 km²), Rio de Janeiro (1,221 km²), San Antonio (1,209 km²), or Lagos (1,172 km²).
The straight-line distance from Mumbai to Rome is 6,175 km (3,837 miles), with an estimated flight time of ~7h 46m.
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