Decimal multiple of the SI unit of surface area.
1Since then it has circled the planet, covering approximately 4bn sq km.
2The spill contaminated a 350 sq km area, state media report.
3The Murray-Darling basin covers more than 1 million sq km in south-eastern Australia.
4The size of the approved mining field is 114 sq km, it says.
5The smallest is the Broads in Norfolk with 303 sq km.
6Behind the port lies a separate, 37 sq km industrial zone.
7Wreckage, body parts and burning debris were strewn over a 50 sq km area.
8By comparison, the island of Manhattan in New York covers roughly 60 sq km.
9Nauru is located in the Pacific Islands covers an area of 21 sq km.
10In metric terms its 220 sq km, about a quarter the size of Carlow.
11For an island of just 588 sq km the variety of landscapes are breathtaking.
12The licences cover 187 sq km on the Innisowen peninsula.
13Covering 280 sq km, the mine would be Australia's largest.
14It covers more than 10 sq km and is home to several thousand US troops.
15Parts of the plane were found distributed over an area of about 50 sq km.
16The Thomas fire has grown to 981 sq km, becoming the fourth-largest in California's history.