There are
1,703 mi
from Boise, ID to Kankakee, IL

That's the driving distance. It would take 1 day 5 hours to go from Boise, Idaho to Kankakee, Illinois.

The flight distance (direct flight from Boise, ID to Kankakee, IL) is 1,451.67 mi.

1,703 mi = 1.61 kms