There are
1,477 mi
from Harlingen, TX to Reidsville, NC
That's the driving distance. It would take 1 day 3 hours to go from Harlingen, Texas to Reidsville, North Carolina.
The flight distance (direct flight from Harlingen, TX to Reidsville, NC) is 1,272.12 mi.
1,477 mi = 2,376.83 kms