The map above shows Kansas and United Kingdom side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Kansas vs United Kingdom Geography
Land area: Kansas has a land area of 81,759 square miles (211,754 km²), while United Kingdom has 93,410 square miles (241,930 km²). United Kingdom's land area is 1.1 times (14%) larger than Kansas'.
Total area: Kansas: 82,278 square miles (213,100 km²) vs United Kingdom: 94,058 square miles (243,610 km²), including inland and coastal water. United Kingdom's total area is 1.1 times (14%) larger than Kansas'.
Length: Kansas is 207 miles (334 km) long from north to south; United Kingdom is 747 miles (1,202 km). United Kingdom's north-south length is 3.6 times (261%) longer than Kansas'.
Width: Kansas spans 401 miles (645 km) east to west; United Kingdom spans 429 miles (690 km). United Kingdom's east-west width is 1.1 times (7%) wider than Kansas'.
Highest point: Kansas's highest point is Mount Sunflower at 4,040 feet (1,231 m); United Kingdom's is Ben Nevis at 4,413 feet (1,345 m). Ben Nevis is 373 feet higher than Mount Sunflower.
Lowest point: Kansas's lowest point is Verdigris River at 679 feet; United Kingdom's is The Fens (Holme Fen) at -10 feet. United Kingdom's lowest point is 689 feet lower.
Kansas vs United Kingdom Population and History
Population: Kansas has a population of 2,970,606 (2024), while United Kingdom has 69,487,000 (2025). United Kingdom's population is 23.4 times larger than Kansas'.
Population density: Kansas: 36.3 people per square mile vs United Kingdom: 743.9. United Kingdom's population density is 20.5 times higher than Kansas'.
Biggest city: Kansas's biggest city is Wichita with 400,991 people; United Kingdom's is London with 8,825,001. London's population is 22.0 times larger than Wichita's.
Largest metro area: Kansas's largest metropolitan area is Kansas City, MO-KS metro area (2,253,579 people) vs United Kingdom's London (10,416,420). London's population is 4.6 times (362%) larger than Kansas City, MO-KS metro area's.
History: Kansas: Admitted to the Union on January 29, 1861, as the 34th 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 60 years.
Kansas vs United Kingdom Economy
GDP: Kansas's GDP is $230.5 billion (2024) vs United Kingdom's $4,002.6 billion. United Kingdom's economic output is 17.4 times larger than Kansas'.
GDP per capita: Kansas: $77,601 per person vs United Kingdom: $57,602. Kansas' GDP per capita is 1.3 times (35%) higher than United Kingdom's.
Average income: Kansas: $65,856 vs United Kingdom: $54,550 average income per person (per capita personal income). Kansas' average income is 1.2 times (21%) higher than United Kingdom's.
Official Websites
Kansas official website · United Kingdom official website
More Size Comparisons
All Kansas 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.