Jakarta
662 km²
Philadelphia
370 km²
Indonesia
United States
Area Comparison
Jakarta is 1.8x larger than Philadelphia
Population Comparison
Jakarta has 6.6x more people than Philadelphia
Jakarta is significantly larger, covering 1.8 times the area of Philadelphia. Jakarta spans 662 km² (256 mi²) while Philadelphia covers 370 km² (143 mi²) — a difference of 292 km².
To put Jakarta's size in perspective, its area of 662 km² is roughly the same size as Seoul. Meanwhile, Philadelphia at 370 km² is about 1.6x smaller than Seoul.
Jakarta's footprint is roughly about 93,000 American football fields, 190 times the area of Central Park, or 11 times the area of Manhattan — pick whichever unit feels intuitive. Philadelphia, by comparison, equals about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park.
Jakarta, officially the Special Capital Region of Jakarta, is the de facto capital and largest city of Indonesia, with administrative status equivalent to a province. It lies on the northwestern coast of Java, borders the provinces of West Java and Banten, and faces the Java Sea to the north. Jakarta itself covers about 662 square kilometres, but the wider Jakarta metropolitan area—locally known as Jabodetabek—is among the largest urban agglomerations in the world.
Known as "Big Durian", Jakarta covers 662 km² with a population of 10.6 million. The city was established in 1527. Jakarta is known for National Monument Monas, Istiqlal Mosque, Kota Tua old town, among other attractions. The city's main transit system is the Jakarta MRT.
Jakarta has administrative status equivalent to a province as the Special Capital Region of Indonesia.
Philadelphia, colloquially referred to as Philly, is the most populous city in the U.S. state of Pennsylvania, and the sixth-most populous city in the United States, with a Census-estimated population of 1,574,281 in July 2025. The Philadelphia metropolitan area has 6.33 million residents and is the nation's ninth-largest metropolitan area. Philadelphia is known for its culture, cuisine, and history, maintaining contemporary influence in business and technology, sports, and music.
Also known as "Philly", Philadelphia has an area of 370 km² and is home to 1.6 million people. The city dates back to 1682. Visitors come for Liberty Bell, Independence Hall, Philly Cheesesteak, and much more.
Philadelphia is the sixth-most populous US city, with an estimated 1,574,281 residents as of July 2025.
Jakarta has a population density of 15,952 people per km² — an extremely dense urban environment. Philadelphia, with 4,324 people per km², is a moderately dense city. Jakarta is dramatically more crowded, with 3.7x the population density.
Density Gap
Jakarta is 3.7x more densely populated
History
Jakarta is ~155 years older
Jakarta covers 662 km². Cities with a similar urban footprint include Hyderabad (650 km²), Toronto (630 km²), Nairobi (696 km²), Chicago (606 km²), or Seoul (605 km²).
Philadelphia covers 370 km². Cities with a similar urban footprint include Seattle (369 km²), Dhaka (368 km²), Portland (376 km²), Atlanta (348 km²), or Denver (401 km²).
The straight-line distance from Jakarta to Philadelphia is 16,258 km (10,102 miles), with an estimated flight time of ~19h 38m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.