Yes. It is called a state line.
the Big Sioux is used to define the boundary between South Dakota and Iowa.
The distance between Saint Paul, Minnesota and Exira, Iowa is approximately 275 miles via road.
Minnesota is directly north of Iowa.
The Mississippi River spans the United States from Lake Itasca, Minnesota finally opening into the Gulf of Mexico. The nine pairs of American States for which the Mississippi forms the state boundary are Minnesota-Wisconsin, Iowa-Illinois, Missouri-Illinois,
That would be Wisconsin.
304 miles or 5 hours in the car
The state of Iowa borders Minnesota to the south.
Iowa :)
The Mississippi River forms the boundary between quite a few states: Minnesota and Wisconsin, Iowa and Illinois, Missouri and Illinois, Missouri and Tennessee, Arkansas and Tennessee, Arkansas and Mississippi, and Louisiana and Mississippi. Edit: Don't forget about Iowa and Wisconsin.
Wisconsin
Iowa, Minnesota, and Illinois and also Michigan
Some parts of Minnesota are closer than some parts of Iowa, but in general, Iowa is closer.