There are
2,931 mi
from Union, NJ to Saratoga, CA
That's the driving distance. It would take 2 days 3 hours to go from Union, New Jersey to Saratoga, California.
The flight distance (direct flight from Union, NJ to Saratoga, CA) is 2,544.57 mi.
2,931 mi = 4,717.73 kms