Atlanta
348 km²
Johannesburg
1,644 km²
United States
South Africa
Area Comparison
Atlanta is 4.7x smaller than Johannesburg
Population Comparison
Atlanta has 9.6x fewer people than Johannesburg
Johannesburg is significantly larger, covering 4.7 times the area of Atlanta. Johannesburg spans 1,644 km² (635 mi²) while Atlanta covers 348 km² (134 mi²) — a difference of 1,296 km². You could fit Atlanta inside Johannesburg approximately 4 times.
To put Atlanta's size in perspective, its area of 348 km² is about 1.6x the size of Amsterdam. Meanwhile, Johannesburg at 1,644 km² is roughly the same size as London.
Atlanta's footprint is roughly about 49,000 American football fields, 170 times the area of Monaco, or 100 times the area of Central Park — pick whichever unit feels intuitive. Johannesburg works out to about 230,000 American football fields, 28 times the area of Manhattan, or 16 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.
Johannesburg, colloquially known as Jozi, Joburg or "The City of Gold", is the most populous city in South Africa. The City of Johannesburg itself has a population of 5,538,596, while the City of Johannesburg Metropolitan Municipality has a population of 6,599,190, making it one of the 100 largest urban areas in the world. Johannesburg is the provincial capital of Gauteng, the wealthiest province in South Africa, and seat of the country's highest court, the Constitutional Court.
Also known as "Jozi", Johannesburg has an area of 1,644 km² and is home to 4.8 million people. Its history stretches back to 1886. Visitors come for Apartheid Museum, Soweto township, Constitutional Court, and much more.
Johannesburg ranks among the world's 100 largest urban areas, with a metro population of about 6.6 million.
Atlanta has a population density of 1,437 people per km² — a relatively spread-out city. Johannesburg, with 2,920 people per km², is a moderately dense city. Johannesburg is noticeably denser, packing 2.0 times more people per square kilometer.
Size Ratio
Atlanta fits inside Johannesburg ~4 times
Density Gap
Johannesburg is 2.0x more densely populated
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).
Johannesburg covers 1,644 km². Cities with a similar urban footprint include Bogotá (1,578 km²), London (1,572 km²), Bangkok (1,569 km²), Houston (1,725 km²), or São Paulo (1,521 km²).
Atlanta vs Singapore
United States / Singapore
Atlanta vs Santiago
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Atlanta vs Wuhan
United States / People's Republic of China
Brussels vs Johannesburg
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Johannesburg vs Wuhan
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Johannesburg vs Melbourne
South Africa / Australia
The straight-line distance from Atlanta to Johannesburg is 13,567 km (8,430 miles), with an estimated flight time of ~16h 28m.
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