Country size comparison
Oklahoma is about 1.9 times smaller than Vietnam.
Vietnam is approximately 331,210 sq km, while Oklahoma is approximately 177,847 sq km, making Oklahoma 53.7% the size of Vietnam. Meanwhile, the population of Vietnam is ~103.8 million people (100.1 million fewer people live in Oklahoma).
This to-scale comparison of Vietnam vs. Oklahoma uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.