There are
1,960 mi
from Harlingen, TX to Cliffside Park, NJ
That's the driving distance. It would take 1 day 12 hours to go from Harlingen, Texas to Cliffside Park, New Jersey.
The flight distance (direct flight from Harlingen, TX to Cliffside Park, NJ) is 1,689.91 mi.
1,960 mi = 3,154.53 kms