There are
1,897 mi
from Provo, UT to Niceville, FL
That's the driving distance. It would take 1 day 11 hours to go from Provo, Utah to Niceville, Florida.
The flight distance (direct flight from Provo, UT to Niceville, FL) is 1,561.87 mi.
1,897 mi = 1.61 kms