There are
1,587 mi
from Boise, ID to Wentzville, MO
That's the driving distance. It would take 1 day 2 hours to go from Boise, Idaho to Wentzville, Missouri.
The flight distance (direct flight from Boise, ID to Wentzville, MO) is 1,354.69 mi.
1,587 mi = 1.61 kms