There are
2,986 mi
from Deerfield Beach, FL to San Leandro, CA
That's the driving distance. It would take 2 days 5 hours to go from Deerfield Beach, Florida to San Leandro, California.
The flight distance (direct flight from Deerfield Beach, FL to San Leandro, CA) is 2,562.73 mi.
2,986 mi = 3.22 kms