How big is 31 square kilometers?
It's about four-and-a-half times as big as London-Gatwick Airport (LGW)
The size of London-Gatwick Airport (LGW) is about 6.740 square kilometers.
(a.k.a. Gatwick Airport, a.k.a. London Gatwick) (Crawley, West Sussex, England, United Kingdom)
London-Gatwick Airport covers 6.74 sq km in total area. The airport offers a single runway with a total length of 3,316 m.
It's about five times as big as Gibraltar
The size of Gibraltar is about 6.50 square kilometers.
(British overseas territory) (total area)
The British overseas territory Gibraltar is located at the southern tip of Spain overlooking the Mediterranean Sea at the Strait of Gibraltar and measures of 6.5 sq. km in total area. It is renowned as the home of the Rock of Gibraltar (a.k.a. Calpe, a.k.a. Jabal al Tariq), a well-known tourist attraction.
It's about one-fifth as big as Washington, D.C.
The size of Washington, D.C. is about 177 square kilometers.
(formally the District of Columbia, a.k.a. Washington, a.k.a. the District, a.k.a. DC) (United State)
The United States' capital and only federal district, Washington, D.C. is a 177 sq. km area located between the states of Virginia and Maryland. Washington, D.C. is known as the center of each of the three branches of the United States federal government and as home to many of the nation's monuments, museums, and foreign embassies.
It's about six times as big as Chennai International Airport (MAA)
The size of Chennai International Airport (MAA) is about 5.3540 square kilometers.
(f.k.a. Madras Airport) (Chennai City, Tamil Nadu, India) (total land area)
Chennai International Airport covers a total area of about 5.354 sq. km, including four terminals and other outbuildings. The airport offers a total of 6,587 m runway length between its two main runways.
It's about seven times as big as Ninoy Aquino International Airport (MNL)
The size of Ninoy Aquino International Airport (MNL) is about 4.40 square kilometers.
(a.k.a. Paliparang Pandaigdig ng Ninoy Aquino, a.k.a. Manila International Airport, a.k.a. Nichols Field) (Manila, NCR, Philippines) (total site area)
Ninoy Aquino International Airport covers a total area of 4.4 sq. km, including four terminals. The total length of the airport's two runways is 5,995 m.
It's about one-tenth as big as Abel Tasman National Park
The size of Abel Tasman National Park is about 225.30 square kilometers.
(Tasman District, South Island, New Zealand)
New Zealand's Abel Tasman National Park measures about 225.30 sq. km in total area. The size of the park has increased over the years as donated parcels of land have been added to it, with the last expansion in 2008 adding 7.9 sq. km.
It's about one-tenth as big as Edinburgh
The size of Edinburgh is about 264 square kilometers.
(a.k.a. Edinburgh, a.k.a. Dùn Èideann, a.k.a. Edinburgum) (Scotland, United Kingdom)
Edinburgh, Scotland's capital, measures 264 sq. km. Edinburgh Castle, atop Castle Rock, is the centerpiece of the city and has been continuously-occupied for over 1,800 years.
It's about nine times as big as Central Park
The size of Central Park is about 3.410 square kilometers.
(Manhattan, New York City, New York)
The most visited park in the country, Central Park has an area of 3.41 km. According to a 2005 appraisal, the real estate value of the Park's land is $528,783,552,000.
It's about one-tenth as big as Dublin
The size of Dublin is about 317.50 square kilometers.
(a.k.a. Baile Átha Cliath) (Leinster, Ireland) (for metro Dublin City)
The city of Dublin and its surrounding metro areas measure 317.5 sq. km. Dublin is home to the Spire of Dublin, a stainless steel monument built in 2003 that rises to 121.2 m in height.
It's about one-tenth as big as Philadelphia
The size of Philadelphia is about 349.90 square kilometers.
(a.k.a. Philly, a.k.a. The City of Brotherly Love) (Pennsylvania)
The largest city in Pennsylvania as of 2009 and at one time the second-largest city in the British Empire, Philadelphia measures 349.9 sq. km in total area. The city is known as a center of great historical importance and as the one-time capital of the United States.
It's about one-tenth as big as Detroit
The size of Detroit is about 359.50 square kilometers.
(Michigan)
The largest city in Michigan as of 2009, Detroit measures 359.5 sq. km in total area. The city is known for its automotive industry and its popular music legacies in the soul, hip hop, pop, and rhythm & blues genres
It's about one-fifteenth as big as The Isle of Wight
The size of The Isle of Wight is about 388 square kilometers.
(England, United Kingdom)
The Isle of Wight, located in the English Channel, just off the English mainland, measures 388 sq. km in total area. The Island hosts the world's largest and longest-running regular regatta — Cowes Week — which has brought over 1,000 yachts to the island each August since 1812.
It's about one-fifteenth as big as San Jose
The size of San Jose is about 453 square kilometers.
(a.k.a. Capital of Silicon Valley) (California)
The third-largest city in California as of 2009, San Jose measures 453.0 sq. km in total area. The city is known for its large technology industry.
It's about fifteen times as big as Monaco
The size of Monaco is about 2.08 square kilometers.
(a.k.a. the Principality of Monaco, a.k.a. Principauté de Monaco, a.k.a. Principatu de Múnegu)
One of the smallest nations in the world, Monaco is a city-state located on the French border of the Mediterranean Sea, which measures 2.08 sq. km in total area.
It's about one-twentieth as big as The Isle of Man
The size of The Isle of Man is about 572 square kilometers.
(a.k.a. Mannin, a.k.a. Ellan Vannin, a.k.a. Mann)
The Isle of Man, a self-governing territory of England, measures 572 sq. km in total area. The territory of the Isle of Man also includes the small island of Chicken Rock, which adds an additional 0.001 square kilometers.