The map above shows Oklahoma and British Columbia side by side at exactly the same scale, using equal-area projections, so their true relative sizes are preserved.
Oklahoma vs British Columbia Geography
Land area: Oklahoma has a land area of 68,597 square miles (177,665 km²), while British Columbia has 357,216 square miles (925,186 km²). British Columbia's land area is 5.2 times (421%) larger than Oklahoma's.
Total area: Oklahoma: 69,899 square miles (181,038 km²) vs British Columbia: 364,764 square miles (944,735 km²), including inland and coastal water. British Columbia's total area is 5.2 times (422%) larger than Oklahoma's.
Length: Oklahoma is 533 miles (857 km) long from north to south; British Columbia is 1,017 miles (1,637 km). British Columbia's north-south length is 1.9 times (91%) longer than Oklahoma's.
Width: Oklahoma spans 490 miles (789 km) east to west; British Columbia spans 1,245 miles (2,003 km). British Columbia's east-west width is 2.5 times (154%) wider than Oklahoma's.
Highest point: Oklahoma's highest point is Black Mesa at 4,980 feet (1,518 m); British Columbia's is Mount Fairweather at 15,299 feet (4,663 m). Mount Fairweather is 10,319 feet higher than Black Mesa.
Lowest point: Oklahoma's lowest point is Little River at 289 feet; British Columbia's is Pacific Ocean at 0 feet. British Columbia's lowest point is 289 feet lower.
Oklahoma vs British Columbia Population and History
Population: Oklahoma has a population of 4,095,393 (2024), while British Columbia has 5,658,528 (2026). British Columbia's population is 1.4 times (38%) larger than Oklahoma's.
Population density: Oklahoma: 59.7 people per square mile vs British Columbia: 15.8. Oklahoma's population density is 3.8 times (278%) higher than British Columbia's.
Biggest city: Oklahoma's biggest city is Oklahoma City with 712,919 people; British Columbia's is Vancouver with 662,248. Oklahoma City's population is 1.1 times (8%) larger than Vancouver's.
Largest metro area: Oklahoma's largest metropolitan area is Oklahoma City, OK metro area (1,497,821 people) vs British Columbia's Vancouver CMA (2,642,825). Vancouver CMA's population is 1.8 times (76%) larger than Oklahoma City, OK metro area's.
History: Oklahoma: Admitted to the Union on November 16, 1907, as the 46th state. British Columbia: Joined Confederation on July 20, 1871. In its current form, British Columbia is the older of the two by 36 years.
Oklahoma vs British Columbia Economy
GDP: Oklahoma's GDP is $263.7 billion (2024) vs British Columbia's $313.3 billion. British Columbia's economic output is 1.2 times (19%) larger than Oklahoma's.
GDP per capita: Oklahoma: $64,388 per person vs British Columbia: $55,241. Oklahoma's GDP per capita is 1.2 times (17%) higher than British Columbia's.
Official Websites
Oklahoma official website · British Columbia official website
More Size Comparisons
All Oklahoma size comparisons · All British Columbia 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.