There are
1,622 mi
from Boise, ID to Crestwood, MO
That's the driving distance. It would take 1 day 3 hours to go from Boise, Idaho to Crestwood, Missouri.
The flight distance (direct flight from Boise, ID to Crestwood, MO) is 1,384.90 mi.
1,622 mi = 1.61 kms