The map above shows Ohio and Northern Mariana Islands side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Ohio vs Northern Mariana Islands Geography
Land area: Ohio has a land area of 40,859 square miles (105,824 km²), while Northern Mariana Islands has 179 square miles (464 km²). Ohio's land area is 228.1 times larger than Northern Mariana Islands'.
Total area: Ohio: 44,826 square miles (116,098 km²) vs Northern Mariana Islands: 179 square miles (464 km²), including inland and coastal water. Ohio's total area is 250.2 times larger than Northern Mariana Islands'.
Length: Ohio is 291 miles (468 km) long from north to south; Northern Mariana Islands is 326 miles (524 km). Northern Mariana Islands' north-south length is 1.1 times (12%) longer than Ohio's.
Width: Ohio spans 317 miles (510 km) east to west; Northern Mariana Islands spans 278 miles (448 km). Ohio's east-west width is 1.1 times (14%) wider than Northern Mariana Islands'.
Highest point: Ohio's highest point is Campbell Hill at 1,547 feet (472 m); Northern Mariana Islands's is Agrihan at 3,166 feet (965 m). Agrihan is 1,619 feet higher than Campbell Hill.
Lowest point: Ohio's lowest point is Ohio River at 455 feet; Northern Mariana Islands's is Pacific Ocean at 0 feet. Northern Mariana Islands's lowest point is 455 feet lower.
Ohio vs Northern Mariana Islands Population and History
Population: Ohio has a population of 11,883,304 (2024), while Northern Mariana Islands has 47,329 (2020). Ohio's population is 251.1 times larger than Northern Mariana Islands'.
Population density: Ohio: 290.8 people per square mile vs Northern Mariana Islands: 264.4. Ohio's population density is 1.1 times (10%) higher than Northern Mariana Islands'.
History: Ohio: Admitted to the Union on March 1, 1803, as the 17th state. Northern Mariana Islands: A US commonwealth since 1978. In its current form, Ohio is the older of the two by 175 years.
Official Websites
Ohio official website · Northern Mariana Islands official website
More Size Comparisons
All Ohio size comparisons · All Northern Mariana Islands 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.