There are
1,854 mi
from Harlingen, TX to Salisbury, MD
That's the driving distance. It would take 1 day 11 hours to go from Harlingen, Texas to Salisbury, Maryland.
The flight distance (direct flight from Harlingen, TX to Salisbury, MD) is 1,534.13 mi.
1,854 mi = 2,983.52 kms