There are
2,992 mi
from San Mateo, CA to Deerfield Beach, FL
That's the driving distance. It would take 2 days 6 hours to go from San Mateo, California to Deerfield Beach, Florida.
The flight distance (direct flight from San Mateo, CA to Deerfield Beach, FL) is 2,570.97 mi.
2,992 mi = 3.22 kms