There are
1,734 mi
from Boise, ID to Caledonia, WI
That's the driving distance. It would take 1 day 5 hours to go from Boise, Idaho to Caledonia, Wisconsin.
The flight distance (direct flight from Boise, ID to Caledonia, WI) is 1,419.99 mi.
1,734 mi = 2,791.35 kms