Lisbon
100 km²
Riyadh
1,798 km²
Portugal
Saudi Arabia
Area Comparison
Lisbon is 18.0x smaller than Riyadh
Population Comparison
Lisbon has 12.7x fewer people than Riyadh
Riyadh is significantly larger, covering 18.0 times the area of Lisbon. Riyadh spans 1,798 km² (694 mi²) while Lisbon covers 100 km² (39 mi²) — a difference of 1,698 km². You could fit Lisbon inside Riyadh approximately 17 times.
To put Lisbon's size in perspective, its area of 100 km² is roughly the same size as Paris (city proper). Meanwhile, Riyadh at 1,798 km² is about 1.1x the size of London.
In more relatable units, Lisbon's 100 km² is about 14,000 American football fields, 50 times the area of Monaco, or 29 times the area of Central Park. For Riyadh, that's about 252,000 American football fields, 30 times the area of Manhattan, or 17 times the area of Paris.
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.
Known as "City of Seven Hills", Lisbon covers 100 km² with a population of 0.6 million. The city was founded around 1200 BC. Lisbon is known for Belém Tower, Jerónimos Monastery, Tram 28, among other attractions. The city's main transit system is the Lisbon Metro.
Lisbon is mainland Europe's westernmost capital city and the only European capital along the Atlantic coast.
Riyadh is the capital and largest city of Saudi Arabia. It is also the capital of the Riyadh Province and the centre of the Riyadh Governorate. Located on the eastern bank of Wadi Hanifa, the current form of the metropolis largely emerged in the 1950s as an expansion of the 18th-century walled town, following the dismantling of its defensive fortifications.
Riyadh has an area of 1,798 km² and is home to 7.0 million people. The city dates back to 1746. Visitors come for Kingdom Centre Tower, Masmak Fortress, Al Faisaliah Tower, and much more.
Riyadh is the capital and largest city of Saudi Arabia, sitting on the eastern bank of Wadi Hanifa.
Lisbon has a population density of 5,500 people per km² — a densely populated city. Riyadh, with 3,899 people per km², is a moderately dense city. Both cities have comparable density, though Lisbon is slightly more compact.
Size Ratio
Lisbon fits inside Riyadh ~17 times
Density Gap
Lisbon is 1.4x more densely populated
History
Lisbon is ~2,946 years older
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).
Riyadh covers 1,798 km². Cities with a similar urban footprint include Houston (1,725 km²), Johannesburg (1,644 km²), Shenzhen (1,997 km²), Bogotá (1,578 km²), or London (1,572 km²).
The straight-line distance from Lisbon to Riyadh is 5,426 km (3,371 miles), with an estimated flight time of ~6h 53m.
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