There are
1,072 mi
from Salt Lake City, UT to Gladstone, MO
That's the driving distance. It would take 18 hours 18 mins to go from Salt Lake City, Utah to Gladstone, Missouri.
The flight distance (direct flight from Salt Lake City, UT to Gladstone, MO) is 922.57 mi.
1,072 mi = 1.61 kms