Located in the Rocky Mountain region of the US, Colorado ranks eighth in size among the 50 states.
The state's total area is 104,091 sq mi (269,596 sq km), of which 103,595 sq mi (268,311 sq km) consists of land and 496 sq mi (1,285 sq km) comprise inland water. Shaped in an almost perfect rectangle, Colorado extends 387 mi (623 km) E–W and 276 mi (444 km) N–S.
Colorado is bordered on the N by Wyoming and Nebraska; on the E by Nebraska and Kansas; on the S by Oklahoma and New Mexico; and on the W by Utah (with the New Mexico and Utah borders meeting at Four Corners). The total length of Colorado's boundaries is 1,307 mi (2,103 km). The state's geographic center lies in Park County, 30 mi (48 km) NW of Pikes Peak.