The map above shows Ohio and Northern Territory side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Ohio vs Northern Territory Geography
Land area: Ohio has a land area of 40,859 square miles (105,824 km²), while Northern Territory has 520,902 square miles (1,349,129 km²). Northern Territory's land area is 12.7 times larger than Ohio's.
Total area: Ohio: 44,826 square miles (116,098 km²) vs Northern Territory: 520,902 square miles (1,349,129 km²), including inland and coastal water. Northern Territory's total area is 11.6 times larger than Ohio's.
Length: Ohio is 291 miles (468 km) long from north to south; Northern Territory is 1,092 miles (1,758 km). Northern Territory's north-south length is 3.8 times (275%) longer than Ohio's.
Width: Ohio spans 317 miles (510 km) east to west; Northern Territory spans 610 miles (981 km). Northern Territory's east-west width is 1.9 times (92%) wider than Ohio's.
Highest point: Ohio's highest point is Campbell Hill at 1,547 feet (472 m); Northern Territory's is Mount Zeil at 5,023 feet (1,531 m). Mount Zeil is 3,476 feet higher than Campbell Hill.
Lowest point: Ohio's lowest point is Ohio River at 455 feet; Northern Territory's is Timor Sea at 0 feet. Northern Territory's lowest point is 455 feet lower.
Ohio vs Northern Territory Population and History
Population: Ohio has a population of 11,883,304 (2024), while Northern Territory has 265,457 (2025). Ohio's population is 44.8 times larger than Northern Territory's.
Population density: Ohio: 290.8 people per square mile vs Northern Territory: 0.5. Ohio's population density is 581.6 times higher than Northern Territory's.
Largest metro area: Ohio's largest metropolitan area is Cincinnati, OH-KY-IN metro area (2,302,815 people) vs Northern Territory's Greater Darwin (159,284). Cincinnati, OH-KY-IN metro area's population is 14.5 times larger than Greater Darwin's.
History: Ohio: Admitted to the Union on March 1, 1803, as the 17th state. Northern Territory: Became a federal territory on January 1, 1911; self-governing since 1978. In its current form, Ohio is the older of the two by 108 years.
Ohio vs Northern Territory Economy
GDP: Ohio's GDP is $923.1 billion (2024) vs Northern Territory's $22.4 billion. Ohio's economic output is 41.2 times larger than Northern Territory's.
GDP per capita: Ohio: $77,684 per person vs Northern Territory: $84,383. Northern Territory's GDP per capita is 1.1 times (9%) higher than Ohio's.
Official Websites
Ohio official website · Northern Territory official website
More Size Comparisons
All Ohio size comparisons · All Northern Territory size comparisons
Area, elevation and boundary figures come from official national statistics and US Census Bureau and Natural Earth boundary data; US state population, economic, county and tax figures come from the US Census Bureau, the Bureau of Economic Analysis and the Tax Foundation. Figures are rounded and for general reference.