There are
1,964 mi
from Harlingen, TX to River Edge, NJ
That's the driving distance. It would take 1 day 12 hours to go from Harlingen, Texas to River Edge, New Jersey.
The flight distance (direct flight from Harlingen, TX to River Edge, NJ) is 1,691.18 mi.
1,964 mi = 3,161.53 kms