1 E+8 m²

Jersey, an island in the English Channel, is about 100 km².

To help compare different orders of magnitude and geographical regions, we list here areas between 100 km² and 1000 km². See also areas of other orders of magnitude.

Areas less than 100 km²
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
102 km² -- Athens, Alabama, USA
104 km² -- Hsinchu City, Taiwan
105 km² -- Srinagar, Jammu and Kashmir, India
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
127 km² -- Lake Tisza, Hungary
133 km² -- Keelung City, Taiwan
143 km² -- Island of Okushiri, Hokkaido, Japan
148 km² -- Callao Region, Peru
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
175.5 km² -- Glasgow, Scotland
176 km² -- Tainan City, Taiwan
177 km² -- Washington, D.C., United States
182 km² -- Rishiri Island, Hokkaido, Japan
185 km² -- Johor Bahru, Malaysia
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
204.51 km² -- Antwerp, Belgium
213.5 km² -- Cleveland, Ohio, United States
219 km² -- Amsterdam, Netherlands
243.65 km² -- Kuala Lumpur, the capital of Malaysia
246 km² -- Malta Island (main island of Malta)
255 km² -- Island of Shikotan, Hokkaido, Japan
259 km² -- Edinburgh, Scotland
259 km² -- Island of Martha's Vineyard, United States
260 km² -- Niue
264 km² -- Nashik, India
272 km² -- Taipei City, Taiwan
282 km² -- Bagnes, Valais (largest municipality of Switzerland)
316 km² -- Malta (country ranked 185th by area)
319 km² -- Rotterdam, The Netherlands
360 km² -- Belgrade, Serbia
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
426 km² -- Oslo, capital of Norway
444 km² -- Chattanooga, Tennessee, 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
573 km² -- Klang, Selangor, Malaysia
575 km² -- Kiritimati, Kiribati
582 km² -- Lake Geneva
597 km² -- Nis, Serbia
604 km² -- Mumbai, India
606 km² -- Chicago (city proper), Illinois, United States
607 km² -- Madrid (city), Spain
614 km² -- Seoul Special City, South Korea
616 km² -- Lake Taupo, the largest lake in New Zealand and largest freshwater lake in Oceania
636 km² -- Metro Manila, Manila, Philippines
641 km² -- Toronto, Ontario, Canada
641 km² -- Zagreb, Croatia
647 km² -- Singapore (excluding offshore islands)
684 km² -- Edmonton, Alberta, Canada
700 km² -- Pune, India
704 km² -- Singapore (all land area)
706 km² -- Salvador, Bahia, Brazil
741 km² -- Bangalore, India
754 km² -- Dominica (country ranked 172nd by area)
755 km² -- Hamburg Germany
763 km² -- Busan Metropolitan City, South Korea
790 km² -- Calgary, Alberta, Canada
798 km² -- Perm, Perm Krai, Russia
810 km² -- Perlis, the smallest state in Malaysia
823 km² -- Kansas City, Missouri, United States
886 km² -- Daegu Metropolitan City, South Korea
892 km² -- Berlin, Germany
945 km² -- Indianapolis, Indiana, United States
950 km² -- Dartmoor
965 km² -- Incheon Metropolitan City, South Korea
Areas more than 1000 km²

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