There are
2,478 mi
from Sanford, FL to Montclair, CA
That's the driving distance. It would take 1 day 19 hours to go from Sanford, Florida to Montclair, California.
The flight distance (direct flight from Sanford, FL to Montclair, CA) is 2,165.68 mi.
2,478 mi = 3,988.43 kms