Rome
1,285 km²
Washington D.C.
177 km²
Italy
USA
Area Comparison
Rome is 7.3x larger than Washington D.C.
Population Comparison
Rome has 4.2x more people than Washington D.C.
Rome is significantly larger, covering 7.3 times the area of Washington D.C.. Rome spans 1,285 km² (496 mi²) while Washington D.C. covers 177 km² (68 mi²) — a difference of 1,108 km². You could fit Washington D.C. inside Rome approximately 7 times.
To put Rome's size in perspective, its area of 1,285 km² is about 1.2x smaller than London. Meanwhile, Washington D.C. at 177 km² is roughly the same size as Washington D.C..
Picture Rome another way: its area is large enough to fit about 180,000 American football fields, 22 times the area of Manhattan, or 12 times the area of Paris. For Washington D.C., that's about 25,000 American football fields, 88 times the area of Monaco, or 52 times the area of Central Park.
Rome is the capital city and most populated comune (municipality) of Italy. It is also the administrative centre of the Lazio region and of the Metropolitan City of Rome. A special comune named Roma Capitale with a population of 2.7 million in an area of 1,287.36 km2 (497.1 mi2), Rome is the third most populous city in the European Union by population within city limits. The Metropolitan City of Rome Capital, with a population of 4.2 million, is the most populous metropolitan city in Italy.
Known as "The Eternal City", Rome covers 1,285 km² with a population of 2.9 million. The city was founded around 753 BC. Rome is known for Colosseum, Vatican City, Trevi Fountain, among other attractions. The city's main transit system is the Rome Metro.
Rome's special comune Roma Capitale spans 1,287 km2, making it the third most populous city in the EU within city limits
Washington, D.C., officially the District of Columbia and commonly known as simply Washington or D.C., is the capital city and federal district of the United States. The city is on the Potomac River across from Virginia and shares land borders with Maryland to its north and east. It was named after George Washington, a Founding Father and the first president of the United States.
Often called "D.C.", Washington D.C. has an area of 177 km² and is home to 0.7 million people. It was established in 1790. Visitors come for White House, U.S. Capitol, Lincoln Memorial, and much more. Getting around is easy with the Washington Metro.
Washington D.C. sits on the Potomac River across from Virginia and is bordered by Maryland to its north and east
Looking beyond city limits, the Washington D.C. metropolitan area covers 14,412 km², which is 2.7x larger than greater Rome at 5,352 km². The Washington D.C. metro area is also more populous, with 6.3 million people compared to 4.3 million.
Rome has a population density of 2,233 people per km² — a moderately dense city. Washington D.C., with 3,898 people per km², is a moderately dense city. Washington D.C. is noticeably denser, packing 1.7 times more people per square kilometer.
This comparison spans continents — Rome in Europe versus Washington D.C. in North America. Despite the geographic distance, comparing their sizes reveals surprising insights about how cities grow worldwide.
Rome has a Mediterranean climate while Washington D.C. experiences humid subtropical conditions. When it's noon in Rome, it's 6:00 AM in Washington D.C. — a 6-hour time difference.
Size Ratio
Washington D.C. fits inside Rome ~7 times
Density Gap
Washington D.C. is 1.7x more densely populated
Time Difference
6 hours apart
History
Rome is ~2,543 years older
Rome covers 1,285 km². Cities with a similar urban footprint include Los Angeles (1,302 km²), Phoenix (1,341 km²), Rio de Janeiro (1,221 km²), San Antonio (1,209 km²), or Lagos (1,172 km²).
Washington D.C. covers 177 km². Cities with a similar urban footprint include Stockholm (188 km²), Brussels (161 km²), Buenos Aires (203 km²), Minneapolis (149 km²), or Helsinki (214 km²).
The straight-line distance from Rome to Washington D.C. is 7,217 km (4,484 miles), with an estimated flight time of ~8h 59m.
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