There are
1,582 mi
from Boise, ID to Kewanee, IL
That's the driving distance. It would take 1 day 2 hours to go from Boise, Idaho to Kewanee, Illinois.
The flight distance (direct flight from Boise, ID to Kewanee, IL) is 1,346.15 mi.
1,582 mi = 1.61 kms