State size comparison
Pennsylvania is about 1.5 times smaller than Oklahoma.
Oklahoma is approximately 177,847 sq km, while Pennsylvania is approximately 116,075 sq km, making Pennsylvania 65.27% the size of Oklahoma. Meanwhile, the population of Oklahoma is ~3.8 million people (9.0 million more people live in Pennsylvania).
This to-scale comparison of Oklahoma vs. Pennsylvania uses the Mercator projection, which distorts the size of regions near the poles. Learn more. Note: Try dragging the outline to reposition.