State of Oklahoma
Capital city Oklahoma City Biggest city Oklahoma City Surface 181,195 km² Population 3,987,000 Length of highway network 2,278 km First highway 1953 Abbreviation OK Oklahoma is an American state on the border of the Midwestern and Southern United States. The state has 3.9 million inhabitants (2021), and has an area of 177,847 km², about five times the size of the Netherlands. Its nickname is the Sooner State. The capital and largest city is Oklahoma City. Geography Oklahoma is located on the Great Plains, and belongs to both the Midwest and the South of the United States. The state clockwise borders Kansas, Missouri, Arkansas, Texas, New Mexico, and Colorado. Oklahoma measures up to 750 kilometers from west to east, thanks in part to the "Oklahoma Panhandle," a western strip that shapes…