The distance from north to south across Tennessee is approximately 440 miles.
Iowa is approximately 200 miles north to south.
Alaska is 1350 miles north to south.
790 miles
Kansas is about 417 miles across and 211 miles north to south.
Iowa is 310 miles long from north to south.
The US tapers from about 3200 miles across in the north to about 2500 miles across in the south.
about 780 miles
Texas is about 790 miles wide from north to south. The total area of the second largest state is about 268,581 miles.
The distance across the Earth's surface from north to south pole is about 12,500 miles, regardless of the path followed.
North to south its about 250 miles, and from east to west it would be about 230 miles.
It is about 210 miles across South Dakota.