Boston
232 km²
Paris
105 km²
USA
France
Area Comparison
Boston is 2.2x larger than Paris
Population Comparison
Boston has 3.2x fewer people than Paris
In terms of area, Boston is 2.2x the size of Paris. Boston spans 232 km² (90 mi²) while Paris covers 105 km² (41 mi²) — a difference of 127 km². You could fit Paris inside Boston approximately 2 times.
To put Boston's size in perspective, its area of 232 km² is roughly the same size as Amsterdam. Meanwhile, Paris at 105 km² is about 1.2x smaller than San Francisco.
Boston's footprint is roughly about 32,000 American football fields, 110 times the area of Monaco, or 68 times the area of Central Park — pick whichever unit feels intuitive. For Paris, that's about 15,000 American football fields, 52 times the area of Monaco, or 31 times the area of Central Park.
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
Paris is the capital and largest city of France, with an estimated city population of 2.04 million in an area of 105.4 km2 (40.7 sq mi), and a metropolitan population of 13.2 million as of January 2026. Located on the river Seine in the centre of the Île-de-France region, it is the largest metropolitan area and fourth-most populous city in the European Union (EU).
Often called "City of Light", Paris has an area of 105 km² and is home to 2.2 million people. The city dates back to 250 BC. Visitors come for Eiffel Tower, Louvre Museum, Notre-Dame Cathedral, and much more. Getting around is easy with the Paris Métro.
Paris packs 2.04 million people into just 105 km2, giving it one of the highest urban densities in Europe.
Looking beyond city limits, the Paris metropolitan area covers 17,174 km², which is 1.5x larger than greater Boston at 11,700 km². The Paris metro area is also more populous, with 12.3 million people compared to 4.9 million.
Boston has a population density of 2,931 people per km² — a moderately dense city. Paris, with 20,571 people per km², is one of the most densely packed urban areas on Earth. Paris is dramatically more crowded, with 7.0x the population density.
This comparison spans continents — Boston in North America versus Paris in Europe. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Boston has a humid continental climate while Paris experiences oceanic conditions. When it's noon in Paris, it's 6:00 AM in Boston — a 6-hour time difference.
Size Ratio
Paris fits inside Boston ~2 times
Density Gap
Paris is 7.0x more densely populated
Time Difference
6 hours apart
History
Paris is ~1,880 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).
Paris covers 105 km². Cities with a similar urban footprint include Barcelona (101 km²), Lisbon (100 km²), Vancouver (115 km²), San Francisco (121 km²), or Copenhagen (91 km²).
The straight-line distance from Boston to Paris is 5,531 km (3,437 miles), with an estimated flight time of ~7h.
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