Sister cities of Ponca City, Oklahoma

Ponca City (Pawnee: Riihitawiruʾ, Riíhitawiru, Riihitáwiru ) is a small city in Kay and Osage counties in the U.S. state of Oklahoma, which was named after the Ponca Tribe. Located in north central Oklahoma, it lies approximately 18 miles (29 km) south of the Kansas border, and approximately 15 miles (24 km) east of Interstate 35. 25,387 people called Ponca City home at the time of the 2010 census, making it the largest city in Kay County. The city is near the Arkansas River, the Salt Fork of the Arkansas River, Kaw Lake, and Lake Ponca, which all provide numerous recreational opportunities.

Ponca City lies on approximately 18.1 square miles (46.9 km²) of land, and also has approximately 1.2 sq mi (3.1 km²) of water, for a total area of 19.3 square miles (50.0 km²). The city is served by the Ponca City Regional Airport (PNC), and is accessible by US-60, US-177, OK-11, and I-35.