There are
1,510 mi
from Harlingen, TX to Roanoke, VA
That's the driving distance. It would take 1 day 4 hours to go from Harlingen, Texas to Roanoke, Virginia.
The flight distance (direct flight from Harlingen, TX to Roanoke, VA) is 1,290.35 mi.
1,510 mi = 2,430.49 kms