Atlanta
348 km²
Hanoi
3,359 km²
United States
Vietnam
Area Comparison
Atlanta is 9.7x smaller than Hanoi
Population Comparison
Atlanta has 16.1x fewer people than Hanoi
Yes — Hanoi is 9.7x larger than Atlanta by area. Hanoi spans 3,359 km² (1,297 mi²) while Atlanta covers 348 km² (134 mi²) — a difference of 3,011 km². You could fit Atlanta inside Hanoi approximately 9 times.
To put Atlanta's size in perspective, its area of 348 km² is about 1.6x the size of Amsterdam. Meanwhile, Hanoi at 3,359 km² is about 1.2x smaller than Rhode Island.
In more relatable units, Atlanta's 348 km² is about 49,000 American football fields, 170 times the area of Monaco, or 100 times the area of Central Park. Hanoi works out to about 470,000 American football fields, 57 times the area of Manhattan, or 32 times the area of Paris.
Atlanta is the capital and most populous city of the U.S. state of Georgia. It is the county seat of Fulton County and extends into neighboring DeKalb County. With a population of 498,715 at the 2020 census and an estimated 520,070 in 2024, Atlanta is the eighth-most populous city in the Southeast and the 36th-most populous city in the United States. Atlanta is classified as a Beta+ global city.
Known as "The ATL", Atlanta covers 348 km² with a population of 0.5 million. The city was established in 1845. Atlanta is known for Coca-Cola headquarters, Hartsfield-Jackson Airport, Georgia Aquarium, among other attractions.
Atlanta is Georgia's capital and most populous city, with around 520,070 residents estimated in 2024.
Hanoi is the capital and second-most populous municipality of Vietnam. It encompasses an area of 3,358.6 km2 (1,296.8 mi2), and as of 2025 has a population of 8,807,523. Hanoi had the second-highest gross regional domestic product of all Vietnamese provinces and municipalities at US$48 billion in 2023, behind Ho Chi Minh City. It hosts 78 foreign embassies, the headquarters of the Vietnam People's Army (VPA), its Vietnam National University system, and other governmental organizations.
Often called "City Between Rivers", Hanoi has an area of 3,359 km² and is home to 8.1 million people. It was established in 1010. Visitors come for Hoan Kiem Lake, Old Quarter, Temple of Literature, and much more. Getting around is easy with the Hanoi Metro.
Hanoi encompasses 3,358.6 square kilometers and had a population of nearly 8.8 million as of 2025.
Atlanta has a population density of 1,437 people per km² — a relatively spread-out city. Hanoi, with 2,397 people per km², is a moderately dense city. Hanoi is noticeably denser, packing 1.7 times more people per square kilometer.
Size Ratio
Atlanta fits inside Hanoi ~9 times
Density Gap
Hanoi is 1.7x more densely populated
History
Hanoi is ~835 years older
Atlanta covers 348 km². Cities with a similar urban footprint include Dhaka (368 km²), Seattle (369 km²), Philadelphia (370 km²), Portland (376 km²), or Munich (311 km²).
Hanoi covers 3,359 km². Cities with a similar urban footprint include Karachi (3,527 km²), Cairo (3,085 km²), Dubai (4,114 km²), Lima (2,672 km²), or Moscow (2,511 km²).
The straight-line distance from Atlanta to Hanoi is 13,829 km (8,593 miles), with an estimated flight time of ~16h 46m.
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