There are
1,943 mi
from Harlingen, TX to Rahway, NJ
That's the driving distance. It would take 1 day 12 hours to go from Harlingen, Texas to Rahway, New Jersey.
The flight distance (direct flight from Harlingen, TX to Rahway, NJ) is 1,669.44 mi.
1,943 mi = 3,127.40 kms