There are
2,080 mi
from Oxnard, CA to Deerfield, IL
That's the driving distance. It would take 1 day 12 hours to go from Oxnard, California to Deerfield, Illinois.
The flight distance (direct flight from Oxnard, CA to Deerfield, IL) is 1,777 mi.
2,080 mi = 3.22 kms