Dublin
115 km²
London
1,572 km²
City Map Compare/Dublin vs Londonvs
vs
2 km
Ireland
United Kingdom
Area Comparison
Dublin is 13.7x smaller than London
Population Comparison
Dublin has 15.2x fewer people than London
London is significantly larger, covering 13.7 times the area of Dublin. London spans 1,572 km² (607 mi²) while Dublin covers 115 km² (44 mi²) — a difference of 1,457 km². You could fit Dublin inside London approximately 13 times.
To put Dublin's size in perspective, its area of 115 km² is roughly the same size as San Francisco. Meanwhile, London at 1,572 km² is about 1.4x smaller than Tokyo (city proper).
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 London, that's about 220,000 American football fields, 27 times the area of Manhattan, or 15 times the area of Paris.
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.
London is the capital and largest city of England and the United Kingdom, with a population of 9.1 million people in 2024. Its wider metropolitan area is the largest in Western Europe, with a population of 15.1 million. London stands on the River Thames in southeast England, at the head of a 50-mile (80 km) tidal estuary down to the North Sea, and has been a major settlement for nearly 2,000 years.
Often called "The Big Smoke", London has an area of 1,572 km² and is home to 9.0 million people. The city dates back to 43. Visitors come for Big Ben, Tower Bridge, Buckingham Palace, and much more. Getting around is easy with the London Underground.
London has been a major settlement for nearly 2,000 years, tracing its roots back to Roman times around 47 AD.
Dublin has a population density of 5,130 people per km² — a densely populated city. London, with 5,712 people per km², is a densely populated city. Both cities have comparable density, though London is slightly more compact.
Size Ratio
Dublin fits inside London ~13 times
History
London is ~798 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).
London covers 1,572 km². Cities with a similar urban footprint include Bangkok (1,569 km²), Bogotá (1,578 km²), São Paulo (1,521 km²), Johannesburg (1,644 km²), or Mexico City (1,485 km²).
The straight-line distance from Dublin to London is 463 km (288 miles), with an estimated flight time of ~1h 3m.
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