There are
2,021 mi
from Layton, UT to Niceville, FL
That's the driving distance. It would take 1 day 12 hours to go from Layton, Utah to Niceville, Florida.
The flight distance (direct flight from Layton, UT to Niceville, FL) is 1,595.33 mi.
2,021 mi = 3,252.72 kms