There are
1,951 mi
from Flint, MI to Boise, ID
That's the driving distance. It would take 1 day 9 hours to go from Flint, Michigan to Boise, Idaho.
The flight distance (direct flight from Flint, MI to Boise, ID) is 1,626.41 mi.
1,951 mi = 3,140.14 kms