1 E8 m² is used for places that are between 100 km² and 1000 km² in area. The term is based from the scientific notation for 1 x 108m².

 100 km² is equal to:
 1 E+8 m²
 a square with sides 10 km long
 10,000 hectares
 approx. 38.6 square miles 
 approx 24,711 acres

Notable areas of this size
 102 km² -- Athens, Alabama, USA
 104 km² -- Hsinchu City, Taiwan
 105 km² -- Paris, France (not counting its metropolitan area)
 115 km² -- Vancouver, British Columbia, Canada (city proper)
 116 km² -- Jersey, Channel Islands, UK
 121 km² -- Saint Helena Island
 124 km² -- Nantucket Island, Massachusetts, United States
 127 km² -- Penghu County, Taiwan
 133 km² -- Keelung City, Taiwan
 143 km² -- Island of Okushiri, Hokkaido, Japan
 150 km² -- London Borough of Bromley, largest London Borough
 153 km² -- Kinmen County, China (Taiwan)
 154 km² -- Kaohsiung City, Taiwan
 160 km² -- Liechtenstein (country ranked 188th by area)
 163 km² -- Taichung City, Taiwan
 176 km² -- Tainan City, Taiwan
 177 km² -- Washington, D.C., United States
 182 km² -- Rishiri Island, Hokkaido, Japan
 185.5 km² -- Plano, Texas, United States
 188 km² -- Beaver Island, largest island in Lake Michigan
 193 km² -- Aruba
 199 km² -- Municipality of San Juan, Puerto Rico
 203.1 km² -- Poquoson, Virginia, United States
 213.5 km² -- Cleveland, Ohio, United States
 238.4 km² -- Baltimore, Maryland, United States
 246 km² -- Malta Island (main island of Malta)
 255 km² -- Island of Shikotan, Hokkaido, Japan
 259 km² -- Island of Martha's Vineyard, United States
 260 km² -- Niue
 272 km² -- Taipei City, Taiwan
 282 km² -- Bagnes, Valais (largest municipality of Switzerland)
 316 km² -- Malta  (country ranked 185th by area)
 360 km² -- Gaza Strip
 370 km² -- Detroit, Michigan, United States
 380 km² -- ATE Salisbury Plain, England (the UK's largest military training area)
 381 km² -- Isle of Wight
 425 km² -- Gatun Lake
 444 km² -- Chattanooga, Tennessee, United States
 450 to 500 km² -- Approximate annual pizza consumption in the United States
 451 km² -- Seychelles
 465 km² -- Winnipeg, Manitoba, Canada
 468 km² -- Andorra
 496 km² -- Prague, Czech Republic
 500 km² -- Montreal, Quebec, Canada
 501 km² -- Gwangju Metropolitan City, South Korea
 517 km² -- Warsaw, Poland
 525 km² -- Budapest, Hungary
 530 km² -- Isle Royale, largest island in Lake Superior
 540 km² -- Daejeon Metropolitan City, South Korea
 570 km² -- Isle of Man
 571 km² -- Ibiza Island, Spain
 575 km² -- Kiritimati, Kiribati
 582 km² -- Lake Geneva
 597 km² -- Nis, Serbia
 614 km² -- Seoul Special City, South Korea
 616 km² -- Lake Taupo, the largest lake in New Zealand
 641 km² -- Toronto, Ontario, Canada
 647 km² -- Singapore (excluding offshore islands)
 684 km² -- Edmonton, Alberta, Canada
 700 km² -- Pune, India
 704 km² -- Singapore (all land area)
 754 km² -- Dominica (country ranked 172nd by area)
 763 km² -- Busan Metropolitan City, South Korea
 790 km² -- Calgary, Alberta, Canada
 798 km² -- Perm, Perm Krai, Russia
 823 km² -- Kansas City, Missouri, United States
 835 km² -- New York, New York, United States
 886 km² -- Daegu Metropolitan City, South Korea
 892 km² -- Berlin, Germany
 950 km² -- Dartmoor
 965 km² -- Incheon Metropolitan City, South Korea

Related pages
 Areas less than 100 km²
 Areas more than 1000 km²

Orders of magnitude