Mexico City
1,485 km²
Sydney
12,368 km²
Mexico
Australia
Area Comparison
Mexico City is 8.3x smaller than Sydney
Population Comparison
Mexico City has 1.7x more people than Sydney
In terms of area, Sydney is 8.3x the size of Mexico City. Sydney spans 12,368 km² (4,775 mi²) while Mexico City covers 1,485 km² (573 mi²) — a difference of 10,883 km². You could fit Mexico City inside Sydney approximately 8 times.
To put Mexico City's size in perspective, its area of 1,485 km² is roughly the same size as London. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
In more relatable units, Mexico City's 1,485 km² is about 208,000 American football fields, 25 times the area of Manhattan, or 14 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.
Mexico City is the capital and most populous city of Mexico, as well as the most populous city in North America. It is one of the most important cultural and financial centers in the world, and is classified as an Alpha world city according to the Globalization and World Cities Research Network (GaWC) 2024 ranking. Mexico City is located in the Valley of Mexico within the high Mexican central plateau, at an altitude of 2,240 meters.
Known as "CDMX", Mexico City covers 1,485 km² with a population of 9.2 million. The city was established in 1325. Mexico City is known for Zocalo square, Chapultepec Park, Frida Kahlo Museum, among other attractions. The city's main transit system is the Mexico City Metro.
Mexico City sits at an altitude of 2,240 meters in the Valley of Mexico on the high Mexican central plateau.
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.
Often called "Sydneysiders", Sydney has an area of 12,368 km² and is home to 5.3 million people. The city dates 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.
Looking beyond city limits, the Sydney metropolitan area covers 12,368 km², which is 1.6x larger than greater Mexico City at 7,854 km². The Mexico City metro area is also more populous, with 21.8 million people compared to 5.3 million.
Mexico City has a population density of 6,202 people per km² — a densely populated city. Sydney, with 429 people per km², is a low-density, sprawling urban area. Mexico City is dramatically more crowded, with 14.5x the population density.
This comparison spans continents — Mexico City in North America versus Sydney in Oceania. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Mexico City has a subtropical highland climate while Sydney experiences humid subtropical conditions. When it's noon in Sydney, it's midnight in Mexico City — a 16-hour time difference.
Size Ratio
Mexico City fits inside Sydney ~8 times
Density Gap
Mexico City is 14.5x more densely populated
Time Difference
16 hours apart
History
Mexico City is ~463 years older
Mexico City covers 1,485 km². Cities with a similar urban footprint include Delhi (1,484 km²), São Paulo (1,521 km²), Bangkok (1,569 km²), London (1,572 km²), or Bogotá (1,578 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 Mexico City to Sydney is 12,973 km (8,061 miles), with an estimated flight time of ~15h 46m.
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