There are
2,782 mi
from Upland, CA to Westbury, NY
That's the driving distance. It would take 2 days 1 hour to go from Upland, California to Westbury, New York.
The flight distance (direct flight from Upland, CA to Westbury, NY) is 2,434.83 mi.
2,782 mi = 3.22 kms