There are
1,930 mi
from Harlingen, TX to Middlesex, NJ
That's the driving distance. It would take 1 day 12 hours to go from Harlingen, Texas to Middlesex, New Jersey.
The flight distance (direct flight from Harlingen, TX to Middlesex, NJ) is 1,658.41 mi.
1,930 mi = 3,106.14 kms