There are
1,090 mi
from Provo, UT to Gladstone, MO
That's the driving distance. It would take 18 hours 41 mins to go from Provo, Utah to Gladstone, Missouri.
The flight distance (direct flight from Provo, UT to Gladstone, MO) is 910.39 mi.
1,090 mi = 1.61 kms