Zero miles. The two states share a common border.
It is 303 miles from Isanti, Minnesota to Grand Forks, North Dakota according to Google Maps.
Minnesota has 84,397 square miles. North Dakota has 70,704 square miles. South Dakota has 77,122 square miles. Total square miles for all three US states is: 232,223 square miles.
It is 289 miles according to Google Maps.
Minnesota is about 360 miles from east to west and about 407 miles from north to south. It covers 86,943 square miles (about 83,574 mi2 land and 3,369 mi2 water).
It is 64.4 miles according to Google Maps.
It is 193 miles according to Google Maps.
North Dakota is about 340 miles long (east to west).
675 miles
1500 miles
Considering Grand Forks, ND is next to the Minnesota border, it would be zero kilometers from Minnesota.
Ashley, North Dakota is 0.6 square miles and has 749 residents.
Minnesota and South Dakota share a border, so it is theoretically possible to stand in both states at once. Rapid City to Duluth is over 700 miles.