There are
2,486 mi
from Ontario, CA to New Smyrna Beach, FL
That's the driving distance. It would take 1 day 19 hours to go from Ontario, California to New Smyrna Beach, Florida.
The flight distance (direct flight from Ontario, CA to New Smyrna Beach, FL) is 2,178.50 mi.
2,486 mi = 3.22 kms