The map above shows Ohio and Guam side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Ohio vs Guam Geography
Land area: Ohio has a land area of 40,859 square miles (105,824 km²), while Guam has 210 square miles (544 km²). Ohio's land area is 194.5 times larger than Guam's.
Total area: Ohio: 44,826 square miles (116,098 km²) vs Guam: 210 square miles (544 km²), including inland and coastal water. Ohio's total area is 213.4 times larger than Guam's.
Length: Ohio is 291 miles (468 km) long from north to south; Guam is 27 miles (43 km). Ohio's north-south length is 10.8 times longer than Guam's.
Width: Ohio spans 317 miles (510 km) east to west; Guam spans 22 miles (35 km). Ohio's east-west width is 14.4 times wider than Guam's.
Highest point: Ohio's highest point is Campbell Hill at 1,547 feet (472 m); Guam's is Mount Lamlam at 1,332 feet (406 m). Campbell Hill is 215 feet higher than Mount Lamlam.
Lowest point: Ohio's lowest point is Ohio River at 455 feet; Guam's is Pacific Ocean at 0 feet. Guam's lowest point is 455 feet lower.
Ohio vs Guam Population and History
Population: Ohio has a population of 11,883,304 (2024), while Guam has 153,836 (2020). Ohio's population is 77.2 times larger than Guam's.
Population density: Ohio: 290.8 people per square mile vs Guam: 732.6. Guam's population density is 2.5 times (152%) higher than Ohio's.
History: Ohio: Admitted to the Union on March 1, 1803, as the 17th state. Guam: A US territory since 1898. In its current form, Ohio is the older of the two by 95 years.
Official Websites
Ohio official website · Guam official website
More Size Comparisons
All Ohio size comparisons · All Guam 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.