There are
2,443 mi
from St George, UT to Deerfield Beach, FL
That's the driving distance. It would take 1 day 21 hours to go from St George, Utah to Deerfield Beach, Florida.
The flight distance (direct flight from St George, UT to Deerfield Beach, FL) is 2,090.75 mi.
2,443 mi = 3.22 kms