Miles between Casper, WY and Boise, ID

There are
711 mi
from Casper, WY to Boise, ID

That's the driving distance. It would take 12 hours to go from Casper, Wyoming to Boise, Idaho.

The flight distance (direct flight from Casper, WY to Boise, ID) is 501.92 mi.

711 mi = 1,143.92 kms