There are
1,831 mi
from Harlingen, TX to Ephrata, PA
That's the driving distance. It would take 1 day 10 hours to go from Harlingen, Texas to Ephrata, Pennsylvania.
The flight distance (direct flight from Harlingen, TX to Ephrata, PA) is 1,568.18 mi.
1,831 mi = 2,947.46 kms