The map above shows Oklahoma and United Kingdom side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Oklahoma vs United Kingdom Geography
Land area: Oklahoma has a land area of 68,597 square miles (177,665 km²), while United Kingdom has 93,410 square miles (241,930 km²). United Kingdom's land area is 1.4 times (36%) larger than Oklahoma's.
Total area: Oklahoma: 69,899 square miles (181,038 km²) vs United Kingdom: 94,058 square miles (243,610 km²), including inland and coastal water. United Kingdom's total area is 1.3 times (35%) larger than Oklahoma's.
Length: Oklahoma is 533 miles (857 km) long from north to south; United Kingdom is 747 miles (1,202 km). United Kingdom's north-south length is 1.4 times (40%) longer than Oklahoma's.
Width: Oklahoma spans 490 miles (789 km) east to west; United Kingdom spans 429 miles (690 km). Oklahoma's east-west width is 1.1 times (14%) wider than United Kingdom's.
Highest point: Oklahoma's highest point is Black Mesa at 4,980 feet (1,518 m); United Kingdom's is Ben Nevis at 4,413 feet (1,345 m). Black Mesa is 567 feet higher than Ben Nevis.
Lowest point: Oklahoma's lowest point is Little River at 289 feet; United Kingdom's is The Fens (Holme Fen) at -10 feet. United Kingdom's lowest point is 299 feet lower.
Oklahoma vs United Kingdom Population and History
Population: Oklahoma has a population of 4,095,393 (2024), while United Kingdom has 69,487,000 (2025). United Kingdom's population is 17.0 times larger than Oklahoma's.
Population density: Oklahoma: 59.7 people per square mile vs United Kingdom: 743.9. United Kingdom's population density is 12.5 times higher than Oklahoma's.
Biggest city: Oklahoma's biggest city is Oklahoma City with 712,919 people; United Kingdom's is London with 8,825,001. London's population is 12.4 times larger than Oklahoma City's.
Largest metro area: Oklahoma's largest metropolitan area is Oklahoma City, OK metro area (1,497,821 people) vs United Kingdom's London (10,416,420). London's population is 7.0 times (595%) larger than Oklahoma City, OK metro area's.
History: Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state. United Kingdom: Formed as the United Kingdom of Great Britain and Ireland on January 1, 1801; took its current form in 1922. In its current form, United Kingdom is the older of the two by 106 years.
Oklahoma vs United Kingdom Economy
GDP: Oklahoma's GDP is $263.7 billion (2024) vs United Kingdom's $4,002.6 billion. United Kingdom's economic output is 15.2 times larger than Oklahoma's.
GDP per capita: Oklahoma: $64,388 per person vs United Kingdom: $57,602. Oklahoma's GDP per capita is 1.1 times (12%) higher than United Kingdom's.
Average income: Oklahoma: $63,708 vs United Kingdom: $54,550 average income per person (per capita personal income). Oklahoma's average income is 1.2 times (17%) higher than United Kingdom's.
Official Websites
Oklahoma official website · United Kingdom official website
More Size Comparisons
All Oklahoma size comparisons · All United Kingdom 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.