Boston
232 km²
San Antonio
1,209 km²
USA
United States
Area Comparison
Boston is 5.2x smaller than San Antonio
Population Comparison
Boston has 2.1x fewer people than San Antonio
In terms of area, San Antonio is 5.2x the size of Boston. San Antonio spans 1,209 km² (467 mi²) while Boston covers 232 km² (90 mi²) — a difference of 977 km². You could fit Boston inside San Antonio approximately 5 times.
To put Boston's size in perspective, its area of 232 km² is roughly the same size as Amsterdam. Meanwhile, San Antonio at 1,209 km² is about 1.3x smaller than London.
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. San Antonio, by comparison, equals about 169,000 American football fields, 20 times the area of Manhattan, or 11 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
San Antonio is a city in the U.S. state of Texas. It is the seventh-most populous city in the United States, the second-most populous city in Texas, and the second-most populous city in the Southern U.S., with a population of 1.43 million at the 2020 census. The Greater San Antonio metropolitan area, with an estimated 2.76 million residents, ranks as the third-largest metropolitan area in Texas and the 24th-largest in the nation. It is the county seat of Bexar County.
Nicknamed "Alamo City", San Antonio has an area of 1,209 km² and is home to 1.4 million people. Its history stretches back to 1718. Visitors come for The Alamo, San Antonio River Walk, Tower of the Americas, and much more.
San Antonio is the seventh-most populous city in the United States and second-most populous in Texas, with 1.43 million residents.
Boston has a population density of 2,931 people per km² — a moderately dense city. San Antonio, with 1,183 people per km², is a relatively spread-out city. Boston is noticeably denser, packing 2.5 times more people per square kilometer.
Size Ratio
Boston fits inside San Antonio ~5 times
Density Gap
Boston is 2.5x more densely populated
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).
San Antonio covers 1,209 km². Cities with a similar urban footprint include Rio de Janeiro (1,221 km²), Lagos (1,172 km²), Rome (1,285 km²), Los Angeles (1,302 km²), or Hong Kong (1,114 km²).
The straight-line distance from Boston to San Antonio is 2,841 km (1,765 miles), with an estimated flight time of ~3h 51m.
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