New Mexico''s northern border is shared with Colorado.
New Mexico
The entire western boundary of Kansas is included in the border of Colorado.
Canada shares Montana's northern border.
South Dakota shares its northern border with Nebraska.
Connecticut is north of New York's maritime border
Wisconsin shares its entire eastern border with Lake Michigan.
Kansas is on the direct East, Nebraska is on the Northeast, and a small sliver of Oklahoma is on the southeast.
Oklahoma shares most of Texas's northern border.
The state that shares a northern border with South Dakota is Nebraska. The capital of Nebraska is Lincoln.
North Dakota is near the center of US, along the northern border (which is shared with Canada). It shares its western border with Montana, its southern border with South Dakota, its eastern border with Minnesota, and its northern border with the Canadian provinces of Manitoba (to the east) and Saskatchewan (to the west).
The area that shares a border with Sudan.
Mongolia, on China's northern border, shares the Gobi Desert.