Phoenix
1,341 km²
Sydney
12,368 km²
United States
Australia
Area Comparison
Phoenix is 9.2x smaller than Sydney
Population Comparison
Phoenix has 3.3x fewer people than Sydney
In terms of area, Sydney is 9.2x the size of Phoenix. Sydney spans 12,368 km² (4,775 mi²) while Phoenix covers 1,341 km² (518 mi²) — a difference of 11,027 km². You could fit Phoenix inside Sydney approximately 9 times.
To put Phoenix's size in perspective, its area of 1,341 km² is about 1.2x smaller than London. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
Picture Phoenix another way: its area is large enough to fit about 188,000 American football fields, 23 times the area of Manhattan, or 13 times the area of Paris. Sydney works out to about 1,700,000 American football fields, 120 times the area of Paris, or 100 times the area of San Francisco.
Phoenix is the capital and most populous city of the U.S. state of Arizona. With over 1.6 million residents at the 2020 census, Phoenix is the fifth-most populous city in the United States and the most populous state capital. The Phoenix metropolitan area, with an estimated 5.19 million residents, is the tenth-most populous metropolitan area in the U.S. and the most populous in the Mountain states and Southwest.
Known as "Valley of the Sun", Phoenix covers 1,341 km² with a population of 1.6 million. The city was established in 1868. Phoenix is known for Camelback Mountain, Desert Botanical Garden, Heard Museum, among other attractions.
Phoenix is the most populous U.S. state capital and the fifth-largest city in the country with 1.6 million residents.
Sydney is the capital city of the state of New South Wales, and is the most populous city in Australia. Located on Australia's east coast, the metropolis surrounds Sydney Harbour and extends about 80 kilometres (50 mi) from the Pacific Ocean in the east to the Blue Mountains in the west, and about 80 kilometres (50 mi) from Ku-ring-gai Chase National Park and the Hawkesbury River in the north and north-west, to the Royal National Park and Macarthur in the south and south-west.
Nicknamed "Sydneysiders", Sydney has an area of 12,368 km² and is home to 5.3 million people. Its history stretches back to 1788. Visitors come for Sydney Opera House, Sydney Harbour Bridge, Bondi Beach, and much more. Getting around is easy with the Sydney Trains.
Sydney stretches roughly 80 km from the Pacific Ocean in the east to the Blue Mountains in the west.
Phoenix has a population density of 1,201 people per km² — a relatively spread-out city. Sydney, with 429 people per km², is a low-density, sprawling urban area. Phoenix is noticeably denser, packing 2.8 times more people per square kilometer.
Size Ratio
Phoenix fits inside Sydney ~9 times
Density Gap
Phoenix is 2.8x more densely populated
Phoenix covers 1,341 km². Cities with a similar urban footprint include Los Angeles (1,302 km²), Rome (1,285 km²), Rio de Janeiro (1,221 km²), Delhi (1,484 km²), or Mexico City (1,485 km²).
Sydney covers 12,368 km². Cities with a similar urban footprint include Chengdu (14,378 km²), Xi'an (10,097 km²), Melbourne (9,993 km²), Brisbane (15,826 km²), or Beijing (16,411 km²).
The straight-line distance from Phoenix to Sydney is 12,548 km (7,797 miles), with an estimated flight time of ~15h 16m.
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