San Francisco
121 km²
Santiago
838 km²
USA
Chile
Area Comparison
San Francisco is 6.9x smaller than Santiago
Population Comparison
San Francisco has 7.2x fewer people than Santiago
In terms of area, Santiago is 6.9x the size of San Francisco. Santiago spans 838 km² (324 mi²) while San Francisco covers 121 km² (47 mi²) — a difference of 717 km². You could fit San Francisco inside Santiago approximately 6 times.
To put San Francisco's size in perspective, its area of 121 km² is about 1.2x the size of Paris (city proper). Meanwhile, Santiago at 838 km² is roughly the same size as Berlin.
San Francisco's footprint is roughly about 17,000 American football fields, 60 times the area of Monaco, or 35 times the area of Central Park — pick whichever unit feels intuitive. Santiago works out to about 117,000 American football fields, 14 times the area of Manhattan, or 8 times the area of Paris.
San Francisco, officially the City and County of San Francisco, is the fourth-most populous city in California and the 17th-most populous in the United States, with a population of 826,079 in 2025. Among U.S. cities with a population of 300,000 or more, San Francisco is ranked first by per capita income, second by population density, and sixth by aggregate income as of 2023.
Known as "The City by the Bay", San Francisco covers 121 km² with a population of 0.9 million. The city was established in 1776. San Francisco is known for Golden Gate Bridge, Alcatraz Island, Cable cars, among other attractions. The city's main transit system is the BART & Muni.
San Francisco ranks first by per capita income among all US cities with 300,000+ residents as of 2023.
Santiago, also known as Santiago de Chile, is the capital and largest city of Chile and one of the largest cities in the Americas. Located in the Chilean Central Valley within the Santiago Basin, between the Andes to the east and the Chilean Coastal Range to the west, it anchors the Santiago Metropolitan Region and its conurbation of Greater Santiago, which comprises more than forty communes and concentrates over a third of the national population and around 45% of Chile's GDP.
Often called "Santiago de Chile", Santiago has an area of 838 km² and is home to 6.3 million people. The city dates back to 1541. Visitors come for Cerro San Cristóbal, Gran Torre Santiago, Plaza de Armas, and much more.
Santiago sits in the Chilean Central Valley between the Andes and the Coastal Range, anchoring over a third of Chile's population.
San Francisco has a population density of 7,190 people per km² — a densely populated city. Santiago, with 7,470 people per km², is a densely populated city. Both cities have comparable density, though Santiago is slightly more compact.
Size Ratio
San Francisco fits inside Santiago ~6 times
History
Santiago is ~235 years older
San Francisco covers 121 km². Cities with a similar urban footprint include Vancouver (115 km²), Paris (105 km²), Miami (143 km²), Barcelona (101 km²), or Lisbon (100 km²).
Santiago covers 838 km². Cities with a similar urban footprint include Kyoto (828 km²), Berlin (892 km²), New York (783 km²), Hamburg (755 km²), or Bangalore (741 km²).
The straight-line distance from San Francisco to Santiago is 9,557 km (5,939 miles), with an estimated flight time of ~11h 45m.
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