Located in the western north-central US, North Dakota ranks 17th in size among the 50 states.
The total area of North Dakota is 70,703 sq mi (183,121 sq km), comprising 69,300 sq mi (179,487 sq km) of land and 1,403 sq mi (3,634 sq km) of inland water. Shaped roughly like a rectangle, North Dakota has three straight sides and one irregular border on the E. Its maximum length E-W is about 360 mi (580 km), its extreme width N-S about 210 mi (340 km).
North Dakota is bordered on the N by the Canadian provinces of Saskatchewan and Manitoba; on the E by Minnesota (with the line formed by the Red River of the North); on the S by South Dakota; and on the W by Montana. The total boundary length is 1,312 mi (2,111 km). The state's geographic center is in Sheridan County, 5 mi (8 km) SW of McClusky.