There are
1,519 mi
from Garland, TX to Florham Park, NJ
That's the driving distance. It would take 1 day 3 hours to go from Garland, Texas to Florham Park, New Jersey.
The flight distance (direct flight from Garland, TX to Florham Park, NJ) is 1,340.22 mi.
1,519 mi = 2,444.59 kms