Dublin
115 km²
Sydney
12,368 km²
City Map Compare/Dublin vs Sydneyvs
vs
2 km
Ireland
Australia
Area Comparison
Dublin is 107.5x smaller than Sydney
Population Comparison
Dublin has 9.0x fewer people than Sydney
Sydney is significantly larger, covering 107.5 times the area of Dublin. Sydney spans 12,368 km² (4,775 mi²) while Dublin covers 115 km² (44 mi²) — a difference of 12,253 km². You could fit Dublin inside Sydney approximately 107 times.
To put Dublin's size in perspective, its area of 115 km² is roughly the same size as San Francisco. Meanwhile, Sydney at 12,368 km² is about 2.0x the size of Shanghai.
In more relatable units, Dublin's 115 km² is about 16,000 American football fields, 57 times the area of Monaco, or 34 times the area of Central Park. For Sydney, that's about 1,700,000 American football fields, 120 times the area of Paris, or 100 times the area of San Francisco.
Dublin is the capital and largest city of Ireland. Situated on Dublin Bay at the mouth of the River Liffey, it is in the province of Leinster, and is bordered on the south by the Dublin Mountains, part of the Wicklow Mountains range. Dublin is the largest city by population on the island of Ireland; at the 2022 census, the city council area had a population of 592,713, while the city, including suburbs, had a population of 1,263,219, and County Dublin had a population of 1,501,500.
Known as "The Fair City", Dublin covers 115 km² with a population of 0.6 million. The city was established in 841. Dublin is known for Trinity College, Guinness Storehouse, Temple Bar, among other attractions.
Dublin sits on Dublin Bay at the mouth of the River Liffey, bordered to the south by the Dublin Mountains.
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.
Dublin has a population density of 5,130 people per km² — a densely populated city. Sydney, with 429 people per km², is a low-density, sprawling urban area. Dublin is dramatically more crowded, with 12.0x the population density.
Size Ratio
Dublin fits inside Sydney ~107 times
Density Gap
Dublin is 12.0x more densely populated
History
Dublin is ~947 years older
Dublin covers 115 km². Cities with a similar urban footprint include Vancouver (115 km²), San Francisco (121 km²), Paris (105 km²), Barcelona (101 km²), or Doha (132 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 Dublin to Sydney is 17,214 km (10,697 miles), with an estimated flight time of ~20h 45m.
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