The northern tip of Wisconsin is farther north than the northernmost part of South Dakota.
It is South Dakota.
South Dakota is farther north than New Mexico.
South Dakota is further north than North Carolina.
There is no state "whamming".
The state of North Dakota is north (or above) the state of South Dakota.
North Dakota is north of South Dakota.
Canada is farther from South Dakota than Indiana. Canada is a country located to the north of the United States, whereas Indiana is a state that borders South Dakota to the southeast.
The state of South Dakota is south of North Dakota.
South Dakota is farther west than either North Carolina or West Virginia. North Carolina is located on the east coast of the United States. West Virginia is located about 80 miles north of North Carolina.
Minnesota is farther north than North Dakota. Northwest Angle, Minnesota is the only place in the contiguous United States north of the 49th parallel.
The US state of South Dakota is south of the US state of North Dakota.