Madrid
604 km²
San Antonio
1,209 km²
Spain
United States
Area Comparison
Madrid is 2.0x smaller than San Antonio
Population Comparison
Madrid has 2.3x more people than San Antonio
In terms of area, San Antonio is 2.0x the size of Madrid. San Antonio spans 1,209 km² (467 mi²) while Madrid covers 604 km² (233 mi²) — a difference of 605 km². You could fit Madrid inside San Antonio approximately 2 times.
To put Madrid's size in perspective, its area of 604 km² is roughly the same size as Seoul. Meanwhile, San Antonio at 1,209 km² is about 1.3x smaller than London.
In more relatable units, Madrid's 604 km² is about 85,000 American football fields, 180 times the area of Central Park, or 10 times the area of Manhattan. San Antonio, by comparison, equals about 169,000 American football fields, 20 times the area of Manhattan, or 11 times the area of Paris.
Madrid is the capital and most populous city of Spain. It had a population of over 3.4 million in the city proper in 2025, and a metropolitan area population of approximately 6.8 million. Madrid is the second-largest city in the European Union (EU), after Berlin, and its metropolitan area is the second-largest in the EU, after Paris. The municipality covers an area of 605.77 square kilometres (233.89 sq mi).
Known as "La Villa y Corte", Madrid covers 604 km² with a population of 3.3 million. The city was established in 852. Madrid is known for Royal Palace of Madrid, Prado Museum, Plaza Mayor, among other attractions. The city's main transit system is the Madrid Metro.
Madrid is the second-largest city in the European Union after Berlin, with over 3.4 million residents in the city proper
San Antonio is a city in the U.S. state of Texas. It is the seventh-most populous city in the United States, the second-most populous city in Texas, and the second-most populous city in the Southern U.S., with a population of 1.43 million at the 2020 census. The Greater San Antonio metropolitan area, with an estimated 2.76 million residents, ranks as the third-largest metropolitan area in Texas and the 24th-largest in the nation. It is the county seat of Bexar County.
Nicknamed "Alamo City", San Antonio has an area of 1,209 km² and is home to 1.4 million people. Its history stretches back to 1718. Visitors come for The Alamo, San Antonio River Walk, Tower of the Americas, and much more.
San Antonio is the seventh-most populous city in the United States and second-most populous in Texas, with 1.43 million residents.
Madrid has a population density of 5,513 people per km² — a densely populated city. San Antonio, with 1,183 people per km², is a relatively spread-out city. Madrid is dramatically more crowded, with 4.7x the population density.
Size Ratio
Madrid fits inside San Antonio ~2 times
Density Gap
Madrid is 4.7x more densely populated
History
Madrid is ~866 years older
Madrid covers 604 km². Cities with a similar urban footprint include Seoul (605 km²), Mumbai (603 km²), Chicago (606 km²), Toronto (630 km²), or Hyderabad (650 km²).
San Antonio covers 1,209 km². Cities with a similar urban footprint include Rio de Janeiro (1,221 km²), Lagos (1,172 km²), Rome (1,285 km²), Los Angeles (1,302 km²), or Hong Kong (1,114 km²).
The straight-line distance from Madrid to San Antonio is 8,311 km (5,164 miles), with an estimated flight time of ~10h 17m.
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