There are
1,354 mi
from Fort Pierce, FL to Gladstone, MO
That's the driving distance. It would take 1 day 1 hour to go from Fort Pierce, Florida to Gladstone, Missouri.
The flight distance (direct flight from Fort Pierce, FL to Gladstone, MO) is 1,152.48 mi.
1,354 mi = 2,178.26 kms