Melbourne
9,993 km²
Philadelphia
370 km²
Australia
United States
Area Comparison
Melbourne is 27.0x larger than Philadelphia
Population Comparison
Melbourne has 3.2x more people than Philadelphia
Melbourne is significantly larger, covering 27.0 times the area of Philadelphia. Melbourne spans 9,993 km² (3,858 mi²) while Philadelphia covers 370 km² (143 mi²) — a difference of 9,623 km². You could fit Philadelphia inside Melbourne approximately 27 times.
To put Melbourne's size in perspective, its area of 9,993 km² is about 1.6x the size of Shanghai. Meanwhile, Philadelphia at 370 km² is about 1.6x smaller than Seoul.
In more relatable units, Melbourne's 9,993 km² is about 1,400,000 American football fields, 170 times the area of Manhattan, or 95 times the area of Paris. Philadelphia, by comparison, equals about 52,000 American football fields, 180 times the area of Monaco, or 110 times the area of Central Park.
Melbourne is the capital and most populous city of the Australian state of Victoria, and the second most-populous city in Australia. The city's name generally refers to a 9,993-square-kilometre (3,858 sq mi) area, comprising an urban agglomeration of 31 local government areas. The name is also used to specifically refer to the local government area named City of Melbourne, whose area is centred on the Melbourne central business district and some immediate surrounds.
Melbourne covers 9,993 km² with a population of 5.1 million. The city was established in 1835. Melbourne is known for Federation Square, Flinders Street Station, Melbourne Cricket Ground, among other attractions. The city's main transit system is the Melbourne Trams & Metro.
Melbourne's metropolitan area spans 9,993 square kilometers across 31 local government areas, making it Australia's second-most-populous city.
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.
Nicknamed "Philly", Philadelphia has an area of 370 km² and is home to 1.6 million people. It was established in 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.
Melbourne has a population density of 508 people per km² — a relatively spread-out city. Philadelphia, with 4,324 people per km², is a moderately dense city. Philadelphia is dramatically more crowded, with 8.5x the population density.
Size Ratio
Philadelphia fits inside Melbourne ~27 times
Density Gap
Philadelphia is 8.5x more densely populated
History
Philadelphia is ~153 years older
Melbourne covers 9,993 km². Cities with a similar urban footprint include Xi'an (10,097 km²), Wuhan (8,569 km²), Sydney (12,368 km²), Guangzhou (7,434 km²), or Chengdu (14,378 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 Melbourne to Philadelphia is 16,563 km (10,292 miles), with an estimated flight time of ~19h 59m.
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