it depends on what you mean & also on which border you mean
there are borders less than a mile long
& there are borders thousands of miles long
but if you mean how far is it to the border then it also depends on where you are
how many miles wide is Idaho
ABOUT 355 miles.
Miles from Houston to Louisiana border
190 miles
301 Miles
At its narrowest, 200 miles. At its widest, 350 miles.
at least 258 miles as the crow flies
Exactly 600 miles
It is about 885 miles from the Oregon border to Victorville, California.
200 miles
How many driving miles is it from the Indiana border to the Iowa border crossing the state of Illinois?
640 miles