Ho Chi Minh City
2,061 km²
San Antonio
1,209 km²
2,061 km²
1,209 km²
Vietnam
United States
Area Comparison
Ho Chi Minh City is 1.7x larger than San Antonio
Population Comparison
Ho Chi Minh City has 6.3x more people than San Antonio
Ho Chi Minh City is significantly larger, covering 1.7 times the area of San Antonio. Ho Chi Minh City spans 2,061 km² (796 mi²) while San Antonio covers 1,209 km² (467 mi²) — a difference of 852 km².
To put Ho Chi Minh City's size in perspective, its area of 2,061 km² is roughly the same size as Tokyo (city proper). Meanwhile, San Antonio at 1,209 km² is about 1.3x smaller than London.
In more relatable units, Ho Chi Minh City's 2,061 km² is about 289,000 American football fields, 35 times the area of Manhattan, or 20 times the area of Paris. For San Antonio, that's about 169,000 American football fields, 20 times the area of Manhattan, or 11 times the area of Paris.
Ho Chi Minh City, also known as Saigon, is the most populous municipality of Vietnam, with a population of more than 14 million in 2025. Its geography is defined by rivers and canals, of which the largest is Saigon River. As the largest financial centre in Vietnam, Ho Chi Minh City has the largest gross regional domestic product out of all Vietnam provinces and municipalities, contributing around a quarter of the country's total GDP.
Known as "Saigon", Ho Chi Minh City covers 2,061 km² with a population of 9.0 million. The city was established in 1698. Ho Chi Minh City is known for Independence Palace, Bitexco Financial Tower, War Remnants Museum, among other attractions. The city's main transit system is the HCMC Metro (opening 2024).
Ho Chi Minh City is Vietnam's largest financial center and contributes around a quarter of the country's total GDP.
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. The city dates 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.
Ho Chi Minh City has a population density of 4,362 people per km² — a moderately dense city. San Antonio, with 1,183 people per km², is a relatively spread-out city. Ho Chi Minh City is dramatically more crowded, with 3.7x the population density.
Density Gap
Ho Chi Minh City is 3.7x more densely populated
Ho Chi Minh City covers 2,061 km². Cities with a similar urban footprint include Shenzhen (1,997 km²), Tokyo (2,194 km²), Riyadh (1,798 km²), Cape Town (2,455 km²), or Houston (1,725 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 Ho Chi Minh City to San Antonio is 14,792 km (9,191 miles), with an estimated flight time of ~17h 54m.
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