There are
1,730 mi
from Flint, MI to Rexburg, ID
That's the driving distance. It would take 1 day 6 hours to go from Flint, Michigan to Rexburg, Idaho.
The flight distance (direct flight from Flint, MI to Rexburg, ID) is 1,404.44 mi.
1,730 mi = 1.61 kms