There are
648 mi
from Saginaw, MI to Willmar, MN
That's the driving distance. It would take 13 hours 56 mins to go from Saginaw, Michigan to Willmar, Minnesota.
The flight distance (direct flight from Saginaw, MI to Willmar, MN) is 561.04 mi.
648 mi = 1,042.26 kms