How many miles is it from St Anthony Idaho to Boise Idaho?

Answer 1

320 miles. This is the best route:

1. Take U.S. 20 WEST to I-15 SOUTH to POCATELLO.
2. Stay on I-15 SOUTH to I-86 WEST to CHUBBOCK and TWIN FALLS at EXIT 72.
3. Take I-86 WEST to I-84 WEST to TWIN FALLS.
4. Take I-84 WEST to Boise.