There are
1,580 mi
from Garland, TX to Mt Kisco, NY
That's the driving distance. It would take 1 day 4 hours to go from Garland, Texas to Mt Kisco, New York.
The flight distance (direct flight from Garland, TX to Mt Kisco, NY) is 1,381.60 mi.
1,580 mi = 2,542.35 kms