Dallas
997 km²
Johannesburg
1,644 km²
United States
South Africa
Area Comparison
Dallas is 1.6x smaller than Johannesburg
Population Comparison
Dallas has 3.7x fewer people than Johannesburg
Johannesburg is significantly larger, covering 1.6 times the area of Dallas. Johannesburg spans 1,644 km² (635 mi²) while Dallas covers 997 km² (385 mi²) — a difference of 647 km².
To put Dallas's size in perspective, its area of 997 km² is about 1.1x the size of Berlin. Meanwhile, Johannesburg at 1,644 km² is roughly the same size as London.
In more relatable units, Dallas's 997 km² is about 140,000 American football fields, 17 times the area of Manhattan, or 9 times the area of Paris. For Johannesburg, that's about 230,000 American football fields, 28 times the area of Manhattan, or 16 times the area of Paris.
Dallas is a city in the U.S. state of Texas. Located in the state's northern region, it is the ninth-most populous city in the United States and third-most populous city in Texas, with a population of 1.3 million at the 2020 census. Along with the city of Fort Worth, Dallas anchors the Dallas–Fort Worth metroplex, the fourth-most populous metropolitan area in the U.S. and the most populous metropolitan area in Texas, at 8.5 million people.
Known as "Big D", Dallas covers 997 km² with a population of 1.3 million. The city was established in 1841. Dallas is known for Dealey Plaza, Reunion Tower, Dallas Cowboys, among other attractions.
Dallas is the ninth-most populous U.S. city and the third-largest in Texas with 1.3 million residents.
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.
Often called "Jozi", Johannesburg has an area of 1,644 km² and is home to 4.8 million people. The city dates 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.
Dallas has a population density of 1,304 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 2.2 times more people per square kilometer.
Density Gap
Johannesburg is 2.2x more densely populated
Dallas covers 997 km². Cities with a similar urban footprint include Abu Dhabi (972 km²), San Diego (964 km²), Hong Kong (1,114 km²), Berlin (892 km²), or Lagos (1,172 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).
The straight-line distance from Dallas to Johannesburg is 14,687 km (9,126 miles), with an estimated flight time of ~17h 47m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.