There are
1,217 mi
from Harlingen, TX to Palatka, FL
That's the driving distance. It would take 23 hours 6 mins to go from Harlingen, Texas to Palatka, Florida.
The flight distance (direct flight from Harlingen, TX to Palatka, FL) is 1,008.13 mi.
1,217 mi = 1,958.74 kms