Dublin
114,990,000 km²
Lisbon
100 km²
Ireland
Portugal
Area Comparison
Dublin is 1149900.0x larger than Lisbon
Population Comparison
Dublin has 1.1x more people than Lisbon
Dublin is significantly larger, covering 1149900.0 times the area of Lisbon. Dublin spans 114,990,000 km² (44,397,869 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 114,989,900 km². You could fit Lisbon inside Dublin approximately 1149900 times.
Meanwhile, Lisbon at 100 km² is roughly the same size as Paris (city proper).
In more relatable units, Dublin's 114,990,000 km² is about 16,105,000,000 American football fields. For Lisbon, that's about 14,000 American football fields, 50 times the area of Monaco, or 29 times the area of Central Park.
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 114,990,000 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.
Lisbon is the capital and most populous city of Portugal, with an estimated population of 575,739 as of 2024, within its administrative limits and 3,028,000 within the metropolis, as of 2025. Lisbon is mainland Europe's westernmost capital city, and the only one along the Atlantic coast, the others being on islands. The city lies in the western portion of the Iberian Peninsula, on the northern shore of the River Tagus.
Often called "City of Seven Hills", Lisbon has an area of 100 km² and is home to 0.6 million people. The city dates back to 1200 BC. Visitors come for Belém Tower, Jerónimos Monastery, Tram 28, and much more. Getting around is easy with the Lisbon Metro.
Lisbon is mainland Europe's westernmost capital city and the only European capital along the Atlantic coast.
Dublin has a population density of 0 people per km² — a low-density, sprawling urban area. Lisbon, with 5,500 people per km², is a densely populated city. Lisbon is dramatically more crowded, with Infinityx the population density.
Size Ratio
Lisbon fits inside Dublin ~1149900 times
Density Gap
Lisbon is Infinityx more densely populated
History
Lisbon is ~2,041 years older
Dublin covers 114,990,000 km². Cities with a similar urban footprint include Doha (132,000,000 km²), Chennai (426,830,040 km²), Hangzhou (16,854 km²), Beijing (16,411 km²), or Brisbane (15,826 km²).
Lisbon covers 100 km². Cities with a similar urban footprint include Barcelona (101 km²), Paris (105 km²), Copenhagen (91 km²), Zurich (88 km²), or Vancouver (115 km²).
The straight-line distance from Dublin to Lisbon is 1,641 km (1,020 miles), with an estimated flight time of ~2h 26m.
Want to explore more? Compare city sizes for any two cities worldwide, or share your location live with friends.