There are
1,235 mi
from St George, UT to Leawood, KS
That's the driving distance. It would take 21 hours 10 mins to go from St George, Utah to Leawood, Kansas.
The flight distance (direct flight from St George, UT to Leawood, KS) is 1,038.08 mi.
1,235 mi = 1.61 kms