Boston
232 km²
Rome
1,285 km²
USA
Italy
Area Comparison
Boston is 5.5x smaller than Rome
Population Comparison
Boston has 4.2x fewer people than Rome
Yes — Rome is 5.5x larger than Boston by area. Rome spans 1,285 km² (496 mi²) while Boston covers 232 km² (90 mi²) — a difference of 1,053 km². You could fit Boston inside Rome approximately 5 times.
To put Boston's size in perspective, its area of 232 km² is roughly the same size as Amsterdam. Meanwhile, Rome at 1,285 km² is about 1.2x smaller than London.
Picture Boston another way: its area is large enough to fit about 32,000 American football fields, 110 times the area of Monaco, or 68 times the area of Central Park. Rome, by comparison, equals about 180,000 American football fields, 22 times the area of Manhattan, or 12 times the area of Paris.
Boston is the capital and most populous city of the U.S. state of Massachusetts. It serves as a cultural and financial center of New England, a region of the Northeastern United States. Boston has an area of 48.4 sq mi (125 km2) and a population of 675,647 as of the 2020 census, making it the third-most populous city in the Northeastern United States after New York City and Philadelphia.
Known as "Beantown", Boston covers 232 km² with a population of 0.7 million. The city was established in 1630. Boston is known for Fenway Park, Freedom Trail, Harvard University, among other attractions. The city's main transit system is the MBTA (The T).
Boston covers just 125 km2 yet serves as the cultural and financial heart of all New England
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.
Often called "The Eternal City", Rome has an area of 1,285 km² and is home to 2.9 million people. It was founded around 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 Boston metropolitan area covers 11,700 km², which is 2.2x larger than greater Rome at 5,352 km². The Boston metro area is also more populous, with 4.9 million people compared to 4.3 million.
Boston has a population density of 2,931 people per km² — a moderately dense city. Rome, with 2,233 people per km², is a moderately dense city. Both cities have comparable density, though Boston is slightly more compact.
This comparison spans continents — Boston in North America versus Rome in Europe. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Boston has a humid continental climate while Rome experiences Mediterranean conditions. When it's noon in Rome, it's 6:00 AM in Boston — a 6-hour time difference.
Size Ratio
Boston fits inside Rome ~5 times
Density Gap
Boston is 1.3x more densely populated
Time Difference
6 hours apart
History
Rome is ~2,383 years older
Boston covers 232 km². Cities with a similar urban footprint include Osaka (225 km²), Kuala Lumpur (243 km²), Amsterdam (219 km²), Helsinki (214 km²), or Edinburgh (259 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 Boston to Rome is 6,585 km (4,092 miles), with an estimated flight time of ~8h 15m.
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