Hanoi
3,359 km²
Los Angeles
1,302 km²
Vietnam
USA
Area Comparison
Hanoi is 2.6x larger than Los Angeles
Population Comparison
Hanoi has 2.0x more people than Los Angeles
Hanoi is significantly larger, covering 2.6 times the area of Los Angeles. Hanoi spans 3,359 km² (1,297 mi²) while Los Angeles covers 1,302 km² (503 mi²) — a difference of 2,057 km². You could fit Los Angeles inside Hanoi approximately 2 times.
To put Hanoi's size in perspective, its area of 3,359 km² is about 1.2x smaller than Rhode Island. Meanwhile, Los Angeles at 1,302 km² is about 1.2x smaller than London.
In more relatable units, Hanoi's 3,359 km² is about 470,000 American football fields, 57 times the area of Manhattan, or 32 times the area of Paris. Los Angeles, by comparison, equals about 182,000 American football fields, 22 times the area of Manhattan, or 12 times the area of Paris.
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.
Known as "City Between Rivers", Hanoi covers 3,359 km² with a population of 8.1 million. The city was established in 1010. Hanoi is known for Hoan Kiem Lake, Old Quarter, Temple of Literature, among other attractions. The city's main transit system is the Hanoi Metro.
Hanoi encompasses 3,358.6 square kilometers and had a population of nearly 8.8 million as of 2025.
Los Angeles (LA) is the most populous city in the U.S. state of California, and the commercial, financial, and cultural center of Southern California. With an estimated 3.88 million residents within the city limits as of 2024, it is the second-most populous city in the United States, behind New York City, and the largest city in the Western United States. The city has an ethnically and culturally diverse population, and is the principal city of a metropolitan area of 12.9 million people (2024).
Also known as "The City of Angels", Los Angeles has an area of 1,302 km² and is home to 4.0 million people. The city dates back to 1781. Visitors come for Hollywood Sign, Santa Monica Pier, Beverly Hills, and much more. Getting around is easy with the LA Metro.
Los Angeles is the second-most populous city in the United States, home to 3.88 million residents within city limits as of 2024.
Looking beyond city limits, the Los Angeles metropolitan area covers 12,562 km², which is 3.7x larger than greater Hanoi at 3,359 km². The Los Angeles metro area is also more populous, with 13.2 million people compared to 8.1 million.
Hanoi has a population density of 2,397 people per km² — a moderately dense city. Los Angeles, with 3,049 people per km², is a moderately dense city. Both cities have comparable density, though Los Angeles is slightly more compact.
This comparison spans continents — Hanoi in Asia versus Los Angeles in North America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Hanoi has a humid subtropical climate while Los Angeles experiences Mediterranean conditions. When it's noon in Hanoi, it's midnight in Los Angeles — a 15-hour time difference.
Size Ratio
Los Angeles fits inside Hanoi ~2 times
Time Difference
15 hours apart
History
Hanoi is ~771 years older
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).
Los Angeles covers 1,302 km². Cities with a similar urban footprint include Rome (1,285 km²), Phoenix (1,341 km²), Rio de Janeiro (1,221 km²), San Antonio (1,209 km²), or Lagos (1,172 km²).
The straight-line distance from Hanoi to Los Angeles is 12,317 km (7,654 miles), with an estimated flight time of ~14h 59m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.