There are
1,959 mi
from Mcallen, TX to Florham Park, NJ
That's the driving distance. It would take 1 day 12 hours to go from Mcallen, Texas to Florham Park, New Jersey.
The flight distance (direct flight from Mcallen, TX to Florham Park, NJ) is 1,694.26 mi.
1,959 mi = 1.61 kms