There are
2,974 mi
from Deerfield Beach, FL to Fremont, CA
That's the driving distance. It would take 2 days 5 hours to go from Deerfield Beach, Florida to Fremont, California.
The flight distance (direct flight from Deerfield Beach, FL to Fremont, CA) is 2,552.50 mi.
2,974 mi = 4,786.79 kms