There are
2,487 mi
from Sanford, FL to Walnut, CA
That's the driving distance. It would take 1 day 19 hours to go from Sanford, Florida to Walnut, California.
The flight distance (direct flight from Sanford, FL to Walnut, CA) is 2,175.73 mi.
2,487 mi = 4,003.04 kms