Boston
232 km²
Perth
6,417 km²
USA
Australia
Area Comparison
Boston is 27.7x smaller than Perth
Population Comparison
Boston has 3.1x fewer people than Perth
Perth is significantly larger, covering 27.7 times the area of Boston. Perth spans 6,417 km² (2,478 mi²) while Boston covers 232 km² (90 mi²) — a difference of 6,185 km². You could fit Boston inside Perth approximately 27 times.
To put Boston's size in perspective, its area of 232 km² is roughly the same size as Amsterdam. Meanwhile, Perth at 6,417 km² is roughly the same size as Shanghai.
In more relatable units, Boston's 232 km² is about 32,000 American football fields, 110 times the area of Monaco, or 68 times the area of Central Park. Perth, by comparison, equals about 899,000 American football fields, 110 times the area of Manhattan, or 61 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
Perth is the capital city of Western Australia. It is the fourth-most-populous city in Australia, with a population of over 2.3 million within Greater Perth as of 2023. The world's most isolated major city by certain criteria, Perth is part of the South West Land Division of Western Australia, with most of Perth's metropolitan area on the Swan Coastal Plain between the Indian Ocean and the Darling Scarp.
Also known as "City of Light", Perth has an area of 6,417 km² and is home to 2.1 million people. It was established in 1829. Visitors come for Swan River, Kings Park, Cottesloe Beach, and much more.
Perth is considered the world's most isolated major city by certain criteria, sitting on Australia's west coast.
Boston has a population density of 2,931 people per km² — a moderately dense city. Perth, with 333 people per km², is a low-density, sprawling urban area. Boston is dramatically more crowded, with 8.8x the population density.
Size Ratio
Boston fits inside Perth ~27 times
Density Gap
Boston is 8.8x more densely populated
History
Boston is ~199 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).
Perth covers 6,417 km². Cities with a similar urban footprint include Shanghai (6,341 km²), Guangzhou (7,434 km²), Istanbul (5,461 km²), Wuhan (8,569 km²), or Melbourne (9,993 km²).
The straight-line distance from Boston to Perth is 18,707 km (11,624 miles), with an estimated flight time of ~22h 30m.
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