There are
1,970 mi
from Saginaw, MI to Boise, ID
That's the driving distance. It would take 1 day 10 hours to go from Saginaw, Michigan to Boise, Idaho.
The flight distance (direct flight from Saginaw, MI to Boise, ID) is 1,607.49 mi.
1,970 mi = 3,169.69 kms