Auckland
559 km²
San Francisco
121 km²
New Zealand
USA
Area Comparison
Auckland is 4.6x larger than San Francisco
Population Comparison
Auckland has 1.7x more people than San Francisco
In terms of area, Auckland is 4.6x the size of San Francisco. Auckland spans 559 km² (216 mi²) while San Francisco covers 121 km² (47 mi²) — a difference of 438 km². You could fit San Francisco inside Auckland approximately 4 times.
To put Auckland's size in perspective, its area of 559 km² is roughly the same size as Seoul. Meanwhile, San Francisco at 121 km² is about 1.2x the size of Paris (city proper).
Picture Auckland another way: its area is large enough to fit about 78,000 American football fields, 160 times the area of Central Park, or 9 times the area of Manhattan. San Francisco, by comparison, equals about 17,000 American football fields, 60 times the area of Monaco, or 35 times the area of Central Park.
Auckland is a large metropolitan city in the North Island of New Zealand. It has an urban population of about 1,547,200. It is located in the greater Auckland Region, the area governed by Auckland Council, which includes outlying rural areas and the islands of the Hauraki Gulf, and which has a total population of 1,816,000 as of June 2025. It is the most populous city of New Zealand and the fifth-most populous city in Oceania.
Known as "City of Sails", Auckland covers 559 km² with a population of 1.5 million. The city was established in 1840. Auckland is known for Sky Tower, Hauraki Gulf islands, Auckland Harbour Bridge, among other attractions.
Auckland is the most populous city in New Zealand and the fifth-most populous city in all of Oceania.
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.
Often called "The City by the Bay", San Francisco has an area of 121 km² and is home to 0.9 million people. The city dates back to 1776. Visitors come for Golden Gate Bridge, Alcatraz Island, Cable cars, and much more. Getting around is easy with the BART & Muni.
San Francisco ranks first by per capita income among all US cities with 300,000+ residents as of 2023.
Auckland has a population density of 2,630 people per km² — a moderately dense city. San Francisco, with 7,190 people per km², is a densely populated city. San Francisco is noticeably denser, packing 2.7 times more people per square kilometer.
Size Ratio
San Francisco fits inside Auckland ~4 times
Density Gap
San Francisco is 2.7x more densely populated
Auckland covers 559 km². Cities with a similar urban footprint include Budapest (525 km²), Mumbai (603 km²), Madrid (604 km²), Warsaw (517 km²), or Seoul (605 km²).
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).
The straight-line distance from Auckland to San Francisco is 10,507 km (6,529 miles), with an estimated flight time of ~12h 52m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.