There are
1,484 mi
from Boise, ID to Kirksville, MO
That's the driving distance. It would take 1 day 1 hour to go from Boise, Idaho to Kirksville, Missouri.
The flight distance (direct flight from Boise, ID to Kirksville, MO) is 1,234.71 mi.
1,484 mi = 1.61 kms